TI-2026-58514 Aliases CVE-2026-85181 GHSA-xrx5-jvp4-rqmj

CAT through 3.1.0 Session Cookie Forgery via Unkeyed hashCode Checksum

MEDIUM 49CWE-565Published 2026-09-03 · Updated 2026-09-24

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

CAT uses Java String.hashCode as the sole integrity check for session cookies without server-side keying, allowing attackers to forge valid checksums offline. Attackers can set the x-forwarded-for header to bypass IP binding validation and create admin sessions with full configuration access.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00705 53rd 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: Yes
Technical impact: Total

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
dianping	cat	up to 3.1.0	—	No fix listed	CNA

cat Vendordianping Affected up to 3.1.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-85181
2026-10-03 Alias added: GHSA-xrx5-jvp4-rqmj

References

Other 4

Sources

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