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Jenkins

2.586current · 2026-10-13

Long-running open-source automation server for CI/CD, extended through a large plugin ecosystem. Usually self-hosted.

governance CD Foundation·license oss
toolCI/CD
release lines seen2.5862.5852.5802.5842.5832.5822.5812.568
homepagerepositorylatest release
alternatives2
Tektonv1.17.0

Tekton runs pipelines as Kubernetes resources; Jenkins runs them on its own controller and agents.

GitHub Actions19.5

Jenkins is self-hosted and plugin-extended, so you own upgrades and plugin risk; GitHub Actions is hosted and tied to GitHub repositories.

case notes and incidents
Jenkins Security Advisory 2026-09-02 (Jenkins security advisories, 2026-09-02)
Platform teams running Jenkins controllers should check the advisory for fixed Jenkins core and plugin versions and review which installed plugins are affected. The source text does not give the fixed versions, so the advisory itself must be consulted before deciding on upgrades.
Jenkins Security Advisory 2025-07-09 (Jenkins security advisories, 2025-07-09)
Platform teams running any of the listed Jenkins plugins should review the full advisory for affected versions and fixes, since the feed text does not include them. Teams without these plugins installed have no action from this list.
Jenkins Security Advisory 2024-01-24 (Jenkins security advisories, 2024-01-24)
Platform teams running Jenkins should check whether Jenkins core or any listed plugins are installed and apply the fixed versions from the full advisory. The excerpt given does not state the fixed versions or the nature of the flaws.
Jenkins Security Advisory 2023-05-16 (Jenkins security advisories, 2023-05-16)
Teams running Jenkins with any of the listed plugins should check their installed versions against the advisory and apply the fixes. The source does not state which versions are fixed or how severe the issues are, so the full advisory should be read before acting.
Jenkins Security Advisory 2023-04-12 (Jenkins security advisories, 2023-04-12)
Platform teams running Jenkins should check whether any of the listed plugins are installed and read the full advisory for affected and fixed versions. The source text does not say what changes or which versions to upgrade to.
Jenkins Security Advisory 2022-11-15 (Jenkins security advisories, 2022-11-15)
Teams running Jenkins should check whether any of the listed plugins are installed and review the full advisory for affected versions and fixes. The source text does not give those details.
Jenkins Security Advisory 2022-07-27 (Jenkins security advisories, 2022-07-27)
Platform teams running Jenkins should check whether any of the listed plugins are installed and update them to the fixed versions named in the full advisory. The provided text does not state which versions are fixed.
Jenkins Security Advisory 2022-04-12 (Jenkins security advisories, 2022-04-12)
Platform teams running Jenkins should check which of the listed plugins they have installed and update them to the fixed versions named in the full advisory. The advisory details were not included in the source text, so the severity and required versions cannot be confirmed from this entry.
Jenkins Security Advisory 2021-02-24 (Jenkins security advisories, 2021-02-24)
Platform teams running Jenkins should check whether any of these six plugins are installed and update them to the fixed versions named in the full advisory. The source excerpt does not state the fixed versions.
Jenkins Security Advisory 2020-06-03 (Jenkins security advisories, 2020-06-03)
Platform teams running Jenkins should check whether any of these plugins are installed and update them to the fixed versions named in the full advisory. The provided text does not state the fixed versions or the nature of the flaws.
Jenkins Security Advisory 2020-03-25 (Jenkins security advisories, 2020-03-25)
Platform teams running Jenkins should check whether their core version or any of the listed plugins are installed and review the full advisory for affected versions and required upgrades. The excerpt provided does not give enough detail to determine the specific exposure.
other coverage
GitLab Transcend: Speed you can trust, all the way to production (GitLab Blog, 2026-10-06)
Jenkins Security Advisory 2026-09-16 (Jenkins security advisories, 2026-09-16)
Let The Buzz Begin…Introducing CloudBees Unify (CloudBees Blog, 2026-08-19)
Jenkins Security Advisory 2026-08-05 (Jenkins security advisories, 2026-08-05)
Jenkins Security Advisory 2026-06-24 (Jenkins security advisories, 2026-06-24)
Jenkins Security Advisory 2026-05-27 (Jenkins security advisories, 2026-05-27)
Jenkins Security Advisory 2026-04-29 (Jenkins security advisories, 2026-04-29)
Jenkins Security Advisory 2025-10-29 (Jenkins security advisories, 2025-10-29)
Jenkins Security Advisory 2025-04-02 (Jenkins security advisories, 2025-04-02)
Jenkins Security Advisory 2025-01-22 (Jenkins security advisories, 2025-01-22)
Jenkins Security Advisory 2024-11-13 (Jenkins security advisories, 2024-11-13)
Jenkins Security Advisory 2024-03-06 (Jenkins security advisories, 2024-03-06)
Jenkins Security Advisory 2023-12-13 (Jenkins security advisories, 2023-12-13)
Jenkins Security Advisory 2023-10-25 (Jenkins security advisories, 2023-10-25)
Jenkins Security Advisory 2023-09-06 (Jenkins security advisories, 2023-09-06)
Jenkins Security Advisory 2023-08-16 (Jenkins security advisories, 2023-08-16)
Jenkins Security Advisory 2023-07-26 (Jenkins security advisories, 2023-07-26)
Jenkins Security Advisory 2023-07-12 (Jenkins security advisories, 2023-07-12)
Jenkins Security Advisory 2023-06-14 (Jenkins security advisories, 2023-06-14)
Jenkins Security Advisory 2023-03-21 (Jenkins security advisories, 2023-03-21)
releases26change lines typed from the source notes
2.5862026-10-13minor+++++****sharesource

Jenkins 2.586 was released with nine changes: five additions and four fixes. Added items include standardised shadows and focus rings for controls, removal of the Manage Jenkins breadcrumb menu, updated User settings pages, and a warning about unsafe authorization strategy. Fixes cover readOnlyMode propagation in dropdown fragments, locale handling in the search index, log recorder level updates, and dialog width limits.

platform teams Platform teams running Jenkins controllers get UI changes and a warning when the authorization strategy is unsafe, which may prompt a review of their security configuration. The release notes list no breaking changes to pipelines or APIs.

written by claude-haiku-5-5, prompt 7cbe154, checked by publish rules

  • Standardise shadows and focus rings for controls (#27527) @janfaracikadded
  • Remove Manage Jenkins breadcrumb menu (#27529) @janfaracikadded
  • Update User settings pages interface (#27526) @janfaracikadded
  • Warn about unsafe authorization strategy (#27499) @Somesh-codingadded
  • Log stack traces for OldDataMonitor.report on Run (#27500) @jglickadded
  • Propagate readOnlyMode into all dropdownDescriptorSelector fragments in core (#27167) @Racknaraockfixed
  • Use Locale.ROOT for case-insensitive matching in CollectionSearchIndex (#27497) @thswlsqlsfixed
  • JENKINS-75310 - Fix log recorder level updates (#27065) @U-S-junfixed
  • Limit dialog width to 100% of visible area (#26668) @zbynekfixed
9 lines5 added4 fixedtyped from the source notes
2.5852026-10-06minor+++++****sharesource

Jenkins 2.585 was released with 11 changes. Five are additions, including a new Manage Jenkins UI enabled by default and filtering on the experimental Job page. Four are fixes, including a sortable date column ordering fix and a missing New Item button in the new dashboard view. The minimum required Remoting version is raised to 3256.3258.v858f3c9a_f69d.

platform teams Teams running Jenkins controllers will see the new Manage Jenkins UI by default and must confirm agents meet the raised minimum Remoting version. The release notes describe no breaking changes beyond that requirement.

written by claude-haiku-5-5, prompt 7cbe154, checked by publish rules

  • Standardise experimental Jenkins pages, make the side panel independently scrollable + make the build bar sticky (#27380) @janfaracik, @Copilot, @MarkEWaiteadded
  • Enable new Manage Jenkins UI by default (#26999) @janfaracikadded
  • Show cloud displayname instead of name (#27471) @mawinter69, @MarkEWaiteadded
  • Add filtering to experimental Job page (#27408) @janfaracik, @Copilot, @MarkEWaite, @timjaadded
  • Increase minimum required Remoting version from 3176.v207ec082a_8c0 to 3256.3258.v858f3c9a_f69d (#27439) @MarkEWaite, @daniel-beckadded
  • Fix sortable date column ordering for 12 AM (midnight) times (#27032) @thswlsqlsfixed
  • Fix missing return after sendError in doDoFingerprintCheck (#27474) @QuantumTandorisafixed
  • Fix missing badges on header dropdown menu items (#27387) @thswlsqls, @timjafixed
  • Fix missing New Item button in new dashboard view (#27483) @mawinter69, @Copilot, @timjafixed
  • JENKINS-75944 - Clarify the RequirePOST warning page (#27058) @AbdelHamdyGhanem, @MarkEWaiteother
  • Update Ukrainian translation for browser reload message (#26170) @dmitrykinakh, @daniel-beckother
11 lines5 added4 fixed2 othertyped from the source notes
2.580.12026-09-30patch~sharesource

Jenkins 2.580.1 was released on 2026-09-30. The release notes point to the changelog and upgrade guide for breaking changes and other update considerations, but the condensed source does not list specific changes.

platform teams Platform teams running Jenkins should read the changelog and upgrade guide before updating. The source text does not name any concrete change.

written by claude-haiku-5-5, prompt 7cbe154, checked by publish rules

  • See the changelog and upgrade guide to learn about breaking changes and other considerations when updating.changed
  • We're excited to announce the release of Jenkins 2.580.1 🎉other
  • If you find an issue with this release, please file an issue on GitHub, otherwise use the forums if you're unsure whether you encounter an issue or not.other
3 lines1 changed2 othertyped from the source notes
2.5842026-09-29minor+~****sharesource

Jenkins 2.584 raises the minimum required Remoting version to 3256.3258.v858f3c9a_f69d. It also includes fixes to PackedMap equality and hash codes, workspaceDir and buildsDir persistence, a breadcrumbs-overflow TypeError when the logo item is missing, the wording of the -jnlpUrl deprecation warning, and ZIP creation for unreadable files.

platform teams Teams running Jenkins controllers and inbound agents need to check that their agents meet the new minimum Remoting version before upgrading. The other changes are bug fixes with no new capability to plan around.

written by claude-haiku-5-5, prompt 7cbe154, checked by publish rules

  • Fix PackedMap entry equality and hash codes (#27396) @Shubham-Padkondechanged
  • Increase minimum required Remoting version from 3176.v207ec082a_8c0 to 3256.3258.v858f3c9a_f69d (#27439) @MarkEWaite, @daniel-beckadded
  • Do not persist workspaceDir + buildsDir (#27406) @jglickfixed
  • Fix TypeError in breadcrumbs-overflow when logo item is missing (#27414) @Kanhaiya76618fixed
  • Reword the -jnlpUrl deprecation warning on JNLP file downloads (#27331) @log0u7, log0u7, @MarkEWaitefixed
  • Avoid creating ZIP entries for unreadable files (#27388) @oleksii-tumanovfixed
6 lines1 added1 changed4 fixedtyped from the source notes
2.5832026-09-22minor+++*sharesource

Jenkins 2.583 adds initial implementations of a new dashboard list and a new builds list for the experimental Dashboard and Job UIs. It also adds a 'Success' banner on saving the Manage Jenkins page and fixes QueryParameterMap failing on parameters without a value.

platform teams Platform teams running Jenkins see only experimental UI changes behind an opt-in interface, plus a bug fix for parameters with no value. Nothing here changes pipelines, APIs or operations, so no planning is needed.

written by claude-haiku-5-5, prompt 7cbe154, checked by publish rules

  • Add initial implementation of new dashboard list for experimental Dashboard UI (#27391) @janfaracikadded
  • Show a 'Success' banner on Manage Jenkins page save (#27097) @janfaracikadded
  • Add initial implementation of new builds list for experimental Job UI (#27189) @janfaracikadded
  • Fix QueryParameterMap failing on parameters without a value (#27381) @Dev-next-genfixed
4 lines3 added1 fixedtyped from the source notes
2.5822026-09-20minor+**sharesource

Jenkins 2.582 adds a new root certificate, removes an expired one, and updates the description of v2. It also fixes plain text log output dropping trailing partial lines and fixes OpenSearch XML content-type with a moz:SearchForm addition.

platform teams Teams running Jenkins controllers should check the certificate change if their setup depends on the affected root certificate. The log output fix may matter for pipelines that parse plain text logs.

written by claude-haiku-5-5, prompt 7cbe154, checked by publish rules

  • Add new root cert, delete the expired one, update v2 description to match (#27282) @daniel-beckadded
  • Fix plain text log output dropping trailing partial lines (#27233) @thswlsqlsfixed
  • Fix OpenSearch XML content-type and add moz:SearchForm (#27364) @Shreyas-Madakefixed
3 lines1 added2 fixedtyped from the source notes
2.5812026-09-08minor***sharesource
  • Restore iconOnly summary link behavior (#27353) @oleksii-tumanovfixed
  • Use locale-independent matching in build history search (#27350) @cuishuangfixed
  • JENKINS-71211 - Fix experimental flags value column clipping (#27047) @AbdelHamdyGhanem, @MarkEWaitefixed
3 lines3 fixedtyped from the source notes
2.5802026-09-02minorsecurity!sharesource
  • Multiple security fixes. See the 2026-09-02 security advisory for details.security
  • _This is an automatically generated changelog draft for Jenkins weekly releases.other
  • See for the official changelog for this release._other
3 lines1 security2 othertyped from the source notes
2.568.32026-09-02patch~sharesource
  • See the changelog and upgrade guide to learn about breaking changes and other considerations when updating.changed
  • We're excited to announce the release of Jenkins 2.568.3 🎉other
  • If you find an issue with this release, please file an issue on GitHub, otherwise use the forums if you're unsure whether you encounter an issue or not.other
3 lines1 changed2 othertyped from the source notes
2.5792026-08-25minor+~*******sharesource
  • Removes commons-lang:2.6 from core (#26105) @alecharp, @daniel-beck, @gbhat618, @MarkEWaite, @timjachanged
  • Add abort support to FormChecker delayed checks (#26595) @KevinSailema, @Copilot, Kevin, @timjaadded
  • Retrying renamedTo operation up to 5 times because it randomly fails … (#11216) @a-zitzewitz, @timjafixed
  • Fix incorrect Unicode escape decoding in QuotedStringTokenizer.unquote (#26467) @Zhang-Charlie, @Copilot, @MarkEWaitefixed
  • Revert "Standardise experimental Jenkins pages, make the side panel independently scrollable + make the build bar sticky (#26863)" (#27265) @gbhat618fixed
  • Show only accessible links in sidepanel for new manage Jenkins UI (#27228) @mawinter69, @MarkEWaitefixed
  • Improve diagnostics for unreadable artifacts (#27201) @Hardik180704fixed
  • Fix dropdown suggestions requiring a double tap on touch devices (#26923) @Anexus5919fixed
  • Fix combobox suggestion list flashing on click (#26922) @Anexus5919fixed
9 lines1 added1 changed7 fixedtyped from the source notes
2.5782026-08-18minorsharesource
  • _This is an automatically generated changelog draft for Jenkins weekly releases.other
  • See for the official changelog for this release._other
  • No notable changes in this release.other
3 lines3 othertyped from the source notes
2.5772026-08-11minor++~sharesource
  • Correct Javadoc for QuotedStringTokenizer.quote(String) to reflect unconditional quoting (#27165) @thswlsqlschanged
  • Standardise experimental Jenkins pages, make the side panel independently scrollable + make the build bar sticky (#26863) @janfaracikadded
  • Remove remaining detached-plugin bundling from jenkins.war (#27129) @timja, @Copilotadded
3 lines2 added1 changedtyped from the source notes
14 older releases
2.5762026-08-05minorsecurity ! 3 lines
2.568.22026-08-05patch ~ 3 lines
2.5752026-07-28minor 4 lines
2.5742026-07-21minor ++++++**** 12 lines
2.5732026-07-14minor +** 3 lines
2.568.12026-07-09patch ~ 3 lines
2.5722026-07-07minor ++++++** 8 lines
2.5712026-07-01minorsecurity ++****! 7 lines
2.5702026-06-23minorsecurity ++*******! 11 lines
2.5692026-06-16minor +++~***** 10 lines
2.5682026-06-10minorsecurity ! 3 lines
2.555.32026-06-10patch ~ 3 lines
2.5672026-06-09minor * 4 lines
2.5662026-05-26minor +* 3 lines