Vulnerability · Published Apr 3, 2026 · Assigned by VulnCheck

CVE-2026-22664prompts.chat SSRF via Fal.ai Media Status Polling

High 7.7

In plain English

A high-severity server-side request forgery in prompts.chat from f. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities).

Severity (CVSS 3.1)7.7High

Exploit odds (30 days)0.3%top 75.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

prompts.chat prior to commit 30a8f04 contains a server-side request forgery vulnerability in the Fal.ai media status polling feature that allows authenticated users to perform arbitrary outbound requests by supplying attacker-controlled URLs in the token parameter. Attackers can exploit the lack of URL validation to disclose the FAL_API_KEY in the Authorization header, enabling credential theft, internal network probing, and abuse of the victim's Fal.ai account.

Affected products (as reported)

Vendor	Product	Versions
f	prompts.chat	0 – before 30a8f0470e0ba45e6be9c9f55220f4a9a6b91c99

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

References

https://gist.github.com/mdisec/27c0cac0ec6a8f3c8f85a18987ddb942 issue-tracking
https://github.com/f/prompts.chat/commit/30a8f0470e0ba45e6be9c9f55220f4a9a6b91c99 patch
https://www.vulncheck.com/advisories/prompts-chat-ssrf-via-fal-ai-media-status-polling third-party-advisory