Jenkins: multiple vulnerabilities

Jenkins

Multiple vulnerabilities found in Jenkins, fixes available in releases 2.588 and 2.580.2

Do this now

Upgrade Jenkins to release 2.588 or 2.580.2.

Fix it

Jenkins

On 2.580.xUpgrade to Jenkins 2.580.2
On 2.588.xUpgrade to Jenkins 2.588

First seen: 28 Oct 2026
Last update: 28 Oct 2026, 17:18 UTC
Fixed in: 2.588
2.580.2
Source: news
On the menu as: CI servers

Check this repository for exposure to one security incident from pwned.coffee. Report first, change nothing until I say so.

## Jenkins: multiple vulnerabilities
Severity: unknown. Patch status: patched.
Affected: Jenkins
Fixed in: 2.588, 2.580.2

Multiple vulnerabilities found in Jenkins, fixes available in releases 2.588 and 2.580.2

## Steps
1. This touches infrastructure (ci). Look in terraform, ansible, cloud-init, Dockerfiles and docs for the product and version we run. If it isn't in the repo, say so and list what a human should check on the box.
2. Fix by release line: Jenkins: 2.588; 2.580.2.

## Fix by release line
| Line | State | Fix | Until then |
|---|---|---|---|
| Jenkins | fixed | 2.588 | — |
| Jenkins | fixed | 2.580.2 | — |

## Report
A table: file, product or package, version in use, affected yes/no, exact fix. Then anything a human has to check outside the repo.

If you have the pwned.coffee MCP server (https://pwned.coffee/mcp), call lookup_cve for the latest, and check_repo with this repo's lockfiles, Dockerfiles and workflows for a full receipt.
Sources: https://seclists.org/oss-sec/2026/q4/413
https://pwned.coffee/i/jenkins-multiple-vulnerabilities

Receipt

Exploitation: No known exploitation
Fix by release line: Product Affected Fixed in Source
Jenkins before 2.588 2.588 Reported checked 28 Oct
Jenkins before 2.580.2 2.580.2 Reported checked 28 Oct
Score: No CVSS published yet: severity unknown.
Last checked: 28 Oct 2026, 18:19 UTC

Product	Affected	Fixed in	Source
Jenkins	before 2.588	2.588	Reported checked 28 Oct
Jenkins	before 2.580.2	2.580.2	Reported checked 28 Oct

Sources: KEV – CVE record – Vendor –

Sources

seclists.org: Multiple vulnerabilities in Jenkins

Wrong fix version, or a source we missed? Send it back to chef@pwned.coffee with the source, and we'll correct it here.

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