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TI-2026-18196 Aliases CVE-2026-22661GHSA-3pwg-7q4v-jff5

prompts.chat Path Traversal via Skill File Handling

Priority HIGH 70CWE-22Published · Updated

Key facts

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

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

Summary

prompts.chat prior to commit 0f8d4c3 contains a path traversal vulnerability in skill file handling that allows attackers to write arbitrary files to the client system by crafting malicious ZIP archives with unsanitized filenames containing path traversal sequences. Attackers can exploit missing server-side filename validation to inject path traversal sequences ../ into skill file archives, which when extracted by vulnerable tools writing files outside the intended directory and overwriting shell initialization files to achieve code execution.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00369 31st percentileScored 2026-11-07
Fix Fixed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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

No affected products listed by the sources yet.

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:fka:prompts.chat:*:*:*:*:*:*:*:*before 2026-03-25Vulnerablef
  • cpe:2.3:a:fka:prompts.chat:*:*:*:*:*:*:*:* Versions before 2026-03-25 Vulnerable ·f

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-22661
  2. 2026-10-03 Alias added: GHSA-3pwg-7q4v-jff5

References

Patch 2

  • TI-2026-18199 prompts.chat SSRF via Fal.ai Media Status Polling CVSS 4.0HIGH 7.1
  • TI-2026-18198 prompts.chat Authorization Bypass Information Disclosure CVSS 4.0HIGH 8.7
  • TI-2026-18200 prompts.chat Identity Confusion via Case-Sensitive Username Handling CVSS 4.0HIGH 8.6
  • TI-2026-18197 prompts.chat Blind SSRF via media-generate CVSS 4.0MEDIUM 5.3

Sources

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