Path Traversal in Mervinpraison Praisonai
CVE-2026-55527
PraisonAI is a multi-agent teams system. Prior to praisonaiagents 1.6.58, the FileMemory constructor joins unsanitized user_id into self.user_path. A caller supplying ../ or path separators can escape the memory directory and write JSON data to arbitrary process-writable locations. The fix sanitizes user_id before constructing self.user_path. This issue is fixed in version 1.6.58.
Vulnerability class: Path Traversal (Directory Traversal)
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L.
Affected products
- Mervinpraison Praisonai — versions < 1.6.58
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2026-55527?
- CVE-2026-55527 is a high-severity vulnerability in Mervinpraison Praisonai, classified under Path Traversal. CVSS score: 7.1/10. Published 2026-08-25.
- How severe is CVE-2026-55527?
- High severity. CVSS v3 base score is 7.1 out of 10.