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Missing permission check in Jenkins exposes HTTP proxy settings

Priority LOW 19CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
Partial Red Hat: 1 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-862.

Summary

Jenkins 2.587 and earlier, and LTS 2.580.1 and earlier, are affected. A missing permission check (CWE-862) lets attackers with Overall/Read permission obtain the server, port, user name and no-proxy host list of the configured HTTP proxy. An attacker needs a valid account with that low privilege.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

A missing permission check in Jenkins 2.587 and earlier, LTS 2.580.1 and earlier allows attackers with Overall/Read permission to obtain the server, port, user name, and no-proxy host list of the configured HTTP proxy.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00177 7th percentileScored 2026-11-07
Fix Partial Jenkins (Jenkins Project): 2.588, 2.580.2Red Hat: 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
JenkinsJenkins—2.588, 2.580.2Patch availableCNA
  • Jenkins VendorJenkins Affected — Fixed in 2.588, 2.580.2 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:jenkins:jenkins:*:*:*:*:*:*:*:*——Jenkins
  • cpe:2.3:a:jenkins:jenkins:*:*:*:*:*:*:*:* Versions — — ·Jenkins

Remediation

The fixed versions are Jenkins 2.588 and LTS 2.580.2. Red Hat lists OpenShift Developer Tools and Services as affected with no fix available.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

  • Fix · CNA Jenkins (Jenkins Project) Fixed in 2.588, 2.580.2

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Jenkins — Jenkins Security Advisory 2026-10-28

    15 records Highest priority Priority MEDIUM 5 MEDIUM, 10 LOW

    Other records, highest priority first

    • TI-2026-82060 Path traversal in Jenkins lets attackers overwrite config.xml filesPriority MEDIUM 41
    • TI-2026-82068 Deserialization flaw in Jenkins lets attackers inject nested objectsPriority MEDIUM 40
    • TI-2026-82064 Jenkins Manage Old Data flaw lets attackers override user accountsPriority MEDIUM 40

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
OpenShift Developer Tools and ServicesAffectedNo fix yet: Fix deferred

Timeline

  1. 2026-10-28 Threatist record created from CVE-2026-117625
  2. 2026-10-28 Alias added: GHSA-x7gp-5c7m-pffw
  3. 2026-11-04 Affected versions changed · Red Hat
  4. 2026-11-04 CVSS score added · Red Hat
  5. 2026-11-05 CVSS score added · CISA ADP
  6. 2026-11-05 Weakness changed · CISA ADP
  7. 2026-11-05 CISA SSVC decision points changed

References

  • TI-2024-15885 Path traversal in Jenkins KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-15875 Protection mechanism failure in Jenkins Pipeline: Groovy Plugin KEVCVSS 3.1CRITICAL 9.9
  • TI-2019-15874 Protection mechanism failure in Jenkins Script Security Plugin KEVCVSS 3.1CRITICAL 9.9
  • TI-2018-16080 A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153… KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-14573 Jenkins versions 2.56 and earlier as well as 2.46.1 LTS and earlier are vulnerable to an… KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
See all 1914 →

Sources