CVE-2026-117626: jenkins-2.555 Chainguard

Awaiting analysis
AliasesCGA-ghgm-chwc-8fggCGA-cqgg-wgf9-pjfrCGA-gxw7-w48f-pxh8
Published 28-10-2026Last modified 28-10-2026

Vulnerability summary

CVE-2026-117626 is a vulnerability in jenkins-2.555 Chainguard with no CVSS score yet. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 6.4% of scored vulnerabilities.

Priority
Insufficient evidence

No CVSS vector published; no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.17%
0%100%
Low · Change unavailable
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 28-10-2026
    PublishedVulnerability first disclosed.

Description

Jenkins 2.587 and earlier, LTS 2.580.1 and earlier improperly identifies file paths attempting path traversal in the file browser for workspaces and $JENKINS_HOME/userContent/, allowing attackers with Overall/Read permission to obtain the names, sizes, and last modification times of files in the $JENKINS_HOME, and attackers with Item/Workspace permission to obtain the names of jobs that have a workspace on the same agent.

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.17%

Chance of exploitation in the next 30 days

Percentile

6%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

29-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: not stated in public data.

Chainguard2 products
  • jenkins-2.555All versions (No fix recorded)
  • jenkins-2.568All versions (No fix recorded)

1 vendor · 2 products

References

1 links