Auth bypass in Mervinpraison Praisonai
CVE-2026-55534
PraisonAI is a multi-agent teams system. From praisonai 4.6.34 until 4.6.58, praisonai serve agents accepts --api-key but _create_agents_app() does not authenticate POST /agents or POST /agents/{agent_name}. A network caller can invoke configured agents without credentials even when an API key was supplied. This issue is fixed in version 4.6.58.
Vulnerability class: Broken Authentication
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H.
Affected products
- Mervinpraison Praisonai — versions >= 4.6.34, < 4.6.58
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-55534?
- CVE-2026-55534 is a high-severity vulnerability in Mervinpraison Praisonai, classified under Missing Authentication for Critical Function. CVSS score: 8.6/10. Published 2026-08-25.
- How severe is CVE-2026-55534?
- High severity. CVSS v3 base score is 8.6 out of 10.