Missing permission check in Jenkins exposes HTTP proxy settings
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
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
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 →
| Product | Status | Plan or fix |
|---|---|---|
| OpenShift Developer Tools and Services | Affected | No fix yet: Fix deferred |
Timeline
- 2026-10-28 Threatist record created from CVE-2026-117625
- 2026-10-28 Alias added: GHSA-x7gp-5c7m-pffw
- 2026-11-04 Affected versions changed · Red Hat
- 2026-11-04 CVSS score added · Red Hat
- 2026-11-05 CVSS score added · CISA ADP
- 2026-11-05 Weakness changed · CISA ADP
- 2026-11-05 CISA SSVC decision points changed
References
Advisory 1
More Jenkins vulnerabilities
- 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
Sources
- CVE-2026-117625 · CVE Program
- CVE-2026-117625 · NVD
- FIRST EPSS
- GHSA-x7gp-5c7m-pffw · GitHub Advisory Database · CC BY 4.0
- CVE-2026-117625 · Red Hat security data · CC BY 4.0
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