CVE-2026-44338 — MervinPraison PraisonAI
As of 2026-05-08, CVE-2026-44338 is a HIGH-severity vulnerability in MervinPraison PraisonAI, CVSS v3.1 7.3, EPSS 0.0% (11.2th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-44338, most recently “CVE-2026-44338 PraisonAI Unauthenticated API Bypass — Active Exploitation Within 4 Hours of Disclosure (Sysdig TRT)”.
Last updated: 2026-05-08
What is CVE-2026-44338?
PraisonAI is a multi-agent teams system. From version 2.5.6 to before version 4.6.34, PraisonAI ships a legacy Flask API server with authentication disabled by default. When that server is used, any caller that can reach it can access /agents and trigger the configured agents.yaml workflow through /chat without providing a token. This issue has been patched in version 4.6.34.
The record classifies CVE-2026-44338 under weakness classes CWE-306, CWE-668, CWE-1188. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 127 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 7.3 — HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - EPSS (FIRST)
- 0.0% probability of exploitation in the next 30 days, higher than 11.2% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 4.1/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2026-05-08
Is CVE-2026-44338 being exploited?
It currently carries a trending score of 8 in the Threadlinqs vulnerability feed.
Affected products and versions
- MervinPraison: PraisonAI
How to fix CVE-2026-44338
No vendor patch reference has been recorded for CVE-2026-44338 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.
Threat activity tracking CVE-2026-44338
1 tracked threat in the Threadlinqs corpus references CVE-2026-44338, either in the campaign’s CVE list or as an indicator on the campaign record.
- CVE-2026-44338 PraisonAI Unauthenticated API Bypass — Active Exploitation Within 4 Hours of Disclosure (Sysdig TRT) — HIGH · 2026-05-12
Sources
Seeded from cveorg and not yet processed by the Threadlinqs enrichment pipeline, so blank CVSS, EPSS or KEV fields above mean NOT MEASURED rather than measured-absent.
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