CVE-2026-40154 json
PraisonAI Affected by Untrusted Remote Template Code Execution
published 2026-04-09 7 mo ago modified 2026-10-26 13 d ago also EUVD-2026-21212 , GHSA-pv9q-275h-rh7x , PYSEC-2026-476
- cvss
- 9.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 23%
- public exploits
- 0
- none known
Summary
PraisonAI is a multi-agent teams system. Prior to 4.5.128, PraisonAI treats remotely fetched template files as trusted executable code without integrity verification, origin validation, or user confirmation, enabling supply chain attacks through malicious templates. This vulnerability is fixed in 4.5.128.
Patch / fix
- pypi praisonai 4.5.128
- praison praisonai 4.5.128
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 6 mo ago
Exploit prediction
0.31% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-pv9q-275h-rh7x referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N |
| GitHub | 3.1 | 9.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N |
| NVD | 3.1 | 9.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |
| OSV | 3.1 | 9.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | praisonai | <4.5.128 |
4.5.128 |
Affected products
- MervinPraison PraisonAI
Classification
- Weakness
-
- CWE-829 Inclusion of Functionality from Untrusted Control Sphere
References
-
github.com
/MervinPraison/PraisonAI/security/advisories/GHSA-pv9q-275h-rh7x
web, exploit, mitigation, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2026-40154
advisory
-
github.com
/MervinPraison/PraisonAI
package
-
github.com
/MervinPraison/PraisonAI/releases/tag/v4.5.128
web
-
pypi.org
/project/praisonai
package
-
github.com
/advisories/GHSA-pv9q-275h-rh7x
advisory
Sources
- CVE List CVE-2026-40154
- GitHub Advisory GHSA-pv9q-275h-rh7x
- NVD CVE-2026-40154
- OSV PYSEC-2026-476
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.