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TI-2026-18198 Aliases CVE-2026-22663GHSA-hphm-9vp4-h223

prompts.chat Authorization Bypass Information Disclosure

Priority MEDIUM 43CWE-862Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

prompts.chat prior to commit 7b81836 contains multiple authorization bypass vulnerabilities due to missing isPrivate checks across API endpoints and page metadata generation that allow unauthorized users to access sensitive data associated with private prompts. Attackers can exploit these missing authorization checks to retrieve private prompt version history, change requests, examples, current content, and metadata including titles and descriptions exposed via HTML meta tags.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00284 21st percentileScored 2026-11-07
Fix Fixed No fixed version in the sources yet

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

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-2026-22663
  2. 2026-10-03 Alias added: GHSA-hphm-9vp4-h223

References

Patch 2

  • TI-2026-18196 prompts.chat Path Traversal via Skill File Handling CVSS 4.0HIGH 8.6
  • TI-2026-18199 prompts.chat SSRF via Fal.ai Media Status Polling CVSS 4.0HIGH 7.1
  • 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