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TI-2026-62530 Aliases CVE-2026-92789GHSA-pgwr-3c66-c473

Graylog through 7.1.4 Server-Side Request Forgery via HTTP Redirect

Priority LOW 31CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-918 and the CVSS impact.

Summary

Graylog through 7.1.4 validates outbound URLs against an allowlist before making requests but fails to re-validate after following HTTP redirects. Attackers with lookup table or event notification permissions can craft allowlisted endpoints that redirect to internal services, enabling the server to fetch and return internal responses.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00415 36th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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
Graylog2graylog2-serverup to 7.1.4—No fix listedCNA
  • graylog2-server VendorGraylog2 Affected up to 7.1.4 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

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

CPEVersionsRoleVendor
cpe:2.3:a:graylog:graylog:*:*:*:*:*:*:*:*——Graylog2
  • cpe:2.3:a:graylog:graylog:*:*:*:*:*:*:*:* Versions — — ·Graylog2

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-92789
  2. 2026-10-03 Alias added: GHSA-pgwr-3c66-c473

References

Other 3

  • TI-2024-16341 graylog2-server vulnerable to instantiation of arbitrary classes triggered by API request CVSS 3.1HIGH 8.8
  • TI-2023-21671 Insecure source port usage for DNS queries in Graylog CVSS 3.1MEDIUM 5.3
  • TI-2026-01133 Incorrect management of session invalidation vulnerability in Graylog Web Interface CVSS 4.0CRITICAL 9.3
  • TI-2023-21667 User session is still usable after logout in graylog2-server CVSS 3.1LOW 3.1
  • TI-2021-15624 A Session ID leak in the audit log in Graylog before 4.1.2 allows attackers to escalate… CVSS 3.1CRITICAL 9.8
  • TI-2021-15623 A Session ID leak in the DEBUG log file in Graylog before 4.1.2 allows attackers to… CVSS 3.1CRITICAL 9.8
See all 27 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences