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CVE-2026-117623VulnerabilityPublished

Jenkins 2.587 and earlier, LTS 2.580.1 and earlier does not escape the text shown in the tooltips of breadcrumb bar

Source GCVE Database

0
Authoritative record:CVE-2026-117623· Medium

Not known to be exploited.

Data as of 28 Oct 2026, 19:57 UTC

Severity
Medium

Rated Medium by Threat Radar's AI analysis · CVSS not yet scored by NVD

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Jenkins ProjectJenkinsAffected–Fixed in–

Description

Jenkins versions 2.587 and earlier, including LTS 2.580.1 and earlier, contain a stored cross-site scripting (XSS) vulnerability due to improper escaping of tooltip text in the breadcrumb bar overflow menu entries. This flaw can be exploited by attackers who have Overall or Read permissions.

References

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