Vulnerability Description
PraisonAI is a multi-agent teams system. In versions 1.5.128 through 1.6.57, the praisonaiagents.tools.web_crawl_tools.web_crawl() function is vulnerable to server-side request forgery. While it validates the initially supplied URL and blocks direct loopback and private destinations, its default httpx fallback uses httpx.Client(follow_redirects=True) and does not revalidate intermediate or final redirect targets. An attacker who can influence a URL passed to web_crawl(), directly or through an agent or tool workflow, can supply an attacker-controlled public URL that passes the initial host check and then redirects to loopback, private-network, or cloud metadata endpoints reachable from the host, with the redirected response body returned in the web_crawl() result. This constitutes an incomplete fix and patch bypass for the previously disclosed web_crawl SSRF class (GHSA-qq9r-63f6-v542 / CVE-2026-40160 and GHSA-8f4v-xfm9-3244), since the guard validates only the requested URL and not the destination actually fetched after redirection. This issue has been fixed in version 1.6.58.
Related Weaknesses (CWE)
References
- https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-8hjw-25cg-g5
- https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-8hjw-25cg-g5
FAQ
What is CVE-2026-55523?
CVE-2026-55523 is a documented vulnerability. PraisonAI is a multi-agent teams system. In versions 1.5.128 through 1.6.57, the praisonaiagents.tools.web_crawl_tools.web_crawl() function is vulnerable to server-side request forgery. While it valid...
How severe is CVE-2026-55523?
CVSS scoring is not yet available for CVE-2026-55523. Check NVD for updates.
Is there a patch for CVE-2026-55523?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.