# Jenkins Open Redirect vulnerability

Advisory record · `GHSA-8hmv-92wm-39ch`

- **Identifiers:** `GHSA-8hmv-92wm-39ch` · `BIT-jenkins-2025-27625` · `CVE-2025-27625`
- **State:** Confirmed
- **Severity:** CVSS 4.3 Medium
- **Critical:** No
- **Weakness (CWE):** [CWE-601](https://cwe.mitre.org/data/definitions/601.html)
- **Tags:** [Open redirect](https://agentprime.io/advisories/tag/open-redirect.md)
- **Published:** 6 Mar 2025
- **Updated:** 7 Aug 2026
- **Reviewed by a person:** No

Published by the GitHub Advisory Database at 6 Mar 2025, 00:31 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

## Affected packages

- `org.jenkins-ci.main:jenkins-core` (Maven): affected `<2.492.2 || >=2.493, <2.500`; fixed in `2.492.2`, `2.500`

## Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

> Jenkins core (org.jenkins-ci.main:jenkins-core) versions before 2.492.2, and from 2.493 before 2.500, are vulnerable. Redirects that start with a backslash were treated as safe, so an attacker can craft a Jenkins URL that forwards users to another site, enabling phishing; the source does not say what user interaction is required. Upgrade to 2.492.2 (LTS) or 2.500.

Written 2 Nov 2026.

## Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

## Severity and exploitation

- 4.3 Medium, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N`, from GitHub Advisory Database

- **CISA KEV:** Not listed.
- **EPSS:** 0.0062, the 50th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

- 31 Oct 2026, 14:19 UTC: First seen by agentprime
- 31 Oct 2026, 14:19 UTC: [Confirmed by OSV](https://osv.dev/vulnerability/GHSA-8hmv-92wm-39ch)

## Sources

- [GitHub Advisory Database: GHSA-8hmv-92wm-39ch](https://github.com/advisories/GHSA-8hmv-92wm-39ch)
- [OSV: GHSA-8hmv-92wm-39ch](https://osv.dev/vulnerability/GHSA-8hmv-92wm-39ch)
- <https://nvd.nist.gov/vuln/detail/CVE-2025-27625>
- <https://github.com/jenkinsci/jenkins/commit/4a9a3ecd08fc00d2f1c1125be789d8be24f02c9e>
- <https://github.com/jenkinsci/jenkins>
- <https://www.jenkins.io/security/advisory/2025-03-05/#SECURITY-3501>

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.

## Check whether this affects you

A Match means an installed version is in the affected range above. Most don’t affect the app; agentprime hasn’t analysed this one yet.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), ask your agent to check the project: `check_lockfile` sends a lockfile, `check_packages` a list of installed packages, and both return the Matches and the upgrades that clear them. `get_advisory` returns this record. Setup: <https://agentprime.io/mcp.md>
- In a browser: <https://agentprime.io/check/> reads your lockfile in the browser, never uploading it.
- Whether it touches your code, with file and line: the Claude Code plugin, <https://agentprime.io/plugin.md>
- As JSON: <https://api.agentprime.io/v1/advisories/GHSA-8hmv-92wm-39ch>, or `POST https://api.agentprime.io/v1/match` with your packages (<https://agentprime.io/api.md>)

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The web page: <https://agentprime.io/advisories/GHSA-8hmv-92wm-39ch/>. Everything for agents: <https://agentprime.io/llms.txt>.