SSRF in Mervinpraison Praisonai
CVE-2026-34936
PraisonAI is a multi-agent teams system. Prior to version 4.5.90, passthrough() and apassthrough() in praisonai accept a caller-controlled api_base parameter that is concatenated with endpoint and passed directly to httpx.Client.request() when the litellm primary path raises AttributeError. No URL scheme validation, private IP filtering, or domain allowlist is applied, allowing requests to any host reachable from the server. This issue has been patched in version 4.5.90.
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.003 (26.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.
Affected products
- Mervinpraison Praisonai — versions < 4.5.90
- Praison Praisonai
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-34936?
- CVE-2026-34936 is a high-severity vulnerability in Mervinpraison Praisonai, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.7/10. Published 2026-04-03.
- How severe is CVE-2026-34936?
- High severity. CVSS v3 base score is 7.7 out of 10.