---
id: "CVE-2026-117620"
kind: "vulnerability"
aliases: ["CVE-2026-117620"]
title: "Jenkins: low-privilege users can trigger admin warnings that overwrite account data"
severity: "unknown"
cvss: null
epss: null
exploited: false
status: "open"
category: "runtime"
products: []
ecosystems: []
tags: ["ci-cd", "jenkins", "runtime", "self-hosted"]
not_affected_if: ["no-untrusted-users", "patched-version"]
published_at: "2026-10-28T17:18:21+00:00"
first_seen_at: "2026-10-28T17:34:09+00:00"
updated_at: "2026-10-28T17:34:52+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-117620", "first_seen_at": "2026-10-28T17:34:09+00:00"}]
---

# Jenkins: low-privilege users can trigger admin warnings that overwrite account data

Jenkins 2.587 and earlier, and LTS 2.580.1 and earlier, let a user with only Overall/Read permission trigger warnings in the Manage Old Data feature. An administrator who acts on those warnings can be tricked into injecting attacker-controlled data that overrides existing user account information, including login passwords.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- `jenkins.war --version` or the version shown under Manage Jenkins, compared against `2.587` (weekly) and `2.580.1` (LTS)
- Check whether the Manage Old Data page is reachable and in use on the instance (unknown from the sources)

## Fix

- Upgrade Jenkins weekly to a release later than `2.587`
- Upgrade Jenkins LTS to a release later than `2.580.1`
- Unknown from the sources which exact fixed versions were released

## Timeline

- 2026-10-28T17:34:09+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-117620

## From the sources

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.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_