CVE-2026-27961

HIGH

8.8

Description

Agenta is an open-source LLMOps platform. A Server-Side Template Injection (SSTI) vulnerability exists in versions prior to 0.86.8 in Agenta's API server evaluator template rendering. Although the vulnerable code lives in the SDK package, it is executed server-side within the API process when running evaluators. This does not affect standalone SDK usage — it only impacts self-hosted or managed Agenta platform deployments. Version 0.86.8 contains a fix for the issue.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published2/26/2026

Last Modified3/2/2026

Sourcenvd

Honeypot Sightings0

Affected Products

agentatech:agenta

Weaknesses (CWE)

CWE-1336

References

https://github.com/Agenta-AI/agenta/security/advisories/GHSA-cfr2-mp74-3763(security-advisories@github.com)

IOC Correlations

No correlations recorded

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