CVE-2026-117619: Jenkins 2.587 and earlier, LTS 2.580.1 and earlier allows requests authenticated using HTTP Basic authenticati

Q: How do I fix CVE-2026-117619?

jenkins: upgrade to 2.580.2, 2.588. Exact commands for each OS are on this page.

Q: Is CVE-2026-117619 being exploited?

CVE-2026-117619 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-117619 affect?

CVE-2026-117619 affects jenkins. Severity is high (CVSS 8.1). Jenkins 2.587 and earlier, LTS 2.580.1 and earlier allows requests authenticated using HTTP Basic authentication, including with an API token, to obtain a "remember me" cookie, allowing attackers who have obtained a user's API token to reta

Routine

HIGH 8.1UPGRADE

CVE-2026-117619 is a high-severity flaw (CVSS 8.1) affecting jenkins. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Jenkins 2.587 and earlier, LTS 2.580.1 and earlier allows requests authenticated using HTTP Basic authentication, including with an API token, to obtain a "remember me" cookie, allowing attackers who have obtained a user's API token to retain access to Jenkins using a "remember me" cookie after the API token is revoked or expires.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 87%)
CISA exploited list	No
Published	2026-10-28
Last modified	2026-11-02

Publisher (CNA): Jenkins Project · Vendor: jenkins

Last updated 2026-11-02 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-10-28 17:18 UTCPublished CVE record published
2026-11-02 14:58 UTCUpdated Record last modified

jenkins jenkins UPGRADE

Affected: < 2.580.2 · < 2.588

Fixed in: 2.580.2, 2.588

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy jenkins || rpm -q jenkins || jenkins --version

2. UPGRADE to 2.580.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade jenkins

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade jenkins

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-117619?

jenkins: upgrade to 2.580.2, 2.588. Exact commands for each OS are on this page.

Is CVE-2026-117619 being exploited?

CVE-2026-117619 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-117619 affect?

CVE-2026-117619 affects jenkins. Severity is high (CVSS 8.1). Jenkins 2.587 and earlier, LTS 2.580.1 and earlier allows requests authenticated using HTTP Basic authentication, including with an API token, to obtain a "remember me" cookie, allowing attackers who have obtained a user's API token to reta

How urgent is CVE-2026-117619?

Priority 32/100. High severity

Software pages

Jenkins vulnerabilities

Related CVEs

CVE-2026-117612 HIGH 8.8 UPGRADE Jenkins 2.587 and earlier, LTS 2.580.1 and earlier does not apply its deserialization filter to classes refere
CVE-2026-117613 MEDIUM 5.4 UPGRADE Jenkins 2.587 and earlier, LTS 2.580.1 and earlier does not restrict item types in collections after deseriali
CVE-2026-117614 HIGH 7.2 UPGRADE Jenkins 2.587 and earlier, LTS 2.580.1 and earlier converts the launch commands in older agent configurations
CVE-2026-117615 MEDIUM 6.5 UPGRADE Jenkins 2.587 and earlier, LTS 2.580.1 and earlier follows symbolic links when copying the directory of an ite
CVE-2026-117616 HIGH 8.8 UPGRADE Jenkins 2.587 and earlier, LTS 2.580.1 and earlier provides an HTTP endpoint that loads agents by name without

References

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