High severity · published Aug 25, 2026
CVE-2026-55539
PraisonAI: [Auth Bypass] PraisonAI async Jobs API (`/api/v1/runs`) has no authentication — unauthenticated job execution, result theft, cancel and delete
8.6
CVSS
0.6%
EPSS
No
On KEV
Description
PraisonAI is a multi-agent teams system. Prior to praisonai 4.6.51, the Jobs API create_app function mounts /api/v1/runs without authentication. Any reachable caller can submit jobs, read results, cancel runs, or delete jobs using operator credentials. The fix adds PRAISONAI_JOBS_API_KEY middleware for Authorization or X-API-Key. This issue is fixed in version 4.6.58.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PR
PraisonAI · MervinPraison
< 4.6.58 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-55539
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-55539
github.com
https://github.com/MervinPraison/PraisonAI/commit/2f9677abb2ea68eab864ee8b6a828fd0141612e1
github.com
https://github.com/MervinPraison/PraisonAI/releases/tag/v4.6.58
github.com
https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-2jgc-f764-c5r2
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