CVE-2026-27961
Agenta's Server-Side Template Injection (SSTI) via custom evaluator Jinja2 templates allows RCE
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
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 โ it only impacts self-hosted or managed Agenta platform deployments. Version 0.86.8 contains a fix for the issue.
| CWE | CWE-1336 |
| Vendor | agenta-ai |
| Product | agenta |
| Published | Feb 26, 2026 |
| Last Updated | Feb 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Agenta-AI / agenta
< 0.86.8