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VULNERABILITIES

CVE-2026-27961 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/Agenta-AI/agenta/security/advisories/GHSA-cfr2-mp74-3763 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-1336Improper Neutralization of Special Elements Used in a Template Engine[email protected]

Affected Products

ProductVersions
agentatech agenta
< 0.86.8

CPE

  • cpe:2.3:a:agentatech:agenta:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-27961
NVD Published Date:
Feb 26, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-27961 Details - Not Deferred