TI-2026-56874 Aliases CVE-2026-82481 GHSA-qcjm-vmrx-v935

The cohttp package before 6.3.0 for OCaml allows directory traversal.

MEDIUM 45CWE-180Published 2026-08-29 · Updated 2026-09-01

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: —
Confidentiality · integrity · availability: High · None · None
Fix status: Fixed

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

Summary

The cohttp package before 6.3.0 for OCaml allows directory traversal.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00696 53rd percentileScored 2026-11-07

Fix Fixed cohttp (mirage): 6.3.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

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
mirage	cohttp	before 6.3.0	6.3.0	Patch available	CNA

cohttp Vendormirage Affected before 6.3.0 Fixed in 6.3.0 Patch available CNA

Remediation

Fix · CNA cohttp (mirage) Fixed in 6.3.0

Timeline

2026-10-02 Threatist record created from CVE-2026-82481
2026-10-03 Alias added: GHSA-qcjm-vmrx-v935

References

Other 1

https://github.com/mirage/ocaml-cohttp/pull/1145

Sources

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