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Related vulnerabilities
CVE-2026-27961 (GCVE-0-2026-27961)
Vulnerability from cvelistv5 – Published: 2026-02-26 01:39 – Updated: 2026-02-26 19:29
VLAI
Title
Agenta's Server-Side Template Injection (SSTI) via custom evaluator Jinja2 templates allows RCE
Summary
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.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-1336 - Improper Neutralization of Special Elements Used in a Template Engine
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Agenta-AI/agenta/security/advi… | x_refsource_CONFIRM |
{
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"metrics": [
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"attackComplexity": "LOW",
"attackVector": "NETWORK",
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"baseScore": 8.8,
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"discovery": "UNKNOWN"
},
"title": "Agenta\u0027s Server-Side Template Injection (SSTI) via custom evaluator Jinja2 templates allows RCE"
}
},
"cveMetadata": {
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"cveId": "CVE-2026-27961",
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"dateReserved": "2026-02-25T03:24:57.792Z",
"dateUpdated": "2026-02-26T19:29:04.883Z",
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PYSEC-2026-7
Vulnerability from pysec - Published: 2026-02-26 02:16 - Updated: 2026-05-20 09:18
VLAI
Details
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.
Severity
8.8 (High)
Impacted products
| Name | purl | agenta | pkg:pypi/agenta |
|---|
Aliases
{
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{
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"ecosystem": "PyPI",
"name": "agenta",
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},
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"events": [
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{
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],
"type": "ECOSYSTEM"
}
],
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"aliases": [
"CVE-2026-27961",
"GHSA-cfr2-mp74-3763"
],
"details": "Agenta is an open-source LLMOps platform. A Server-Side Template Injection (SSTI) vulnerability exists in versions prior to 0.86.8 in Agenta\u0027s 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 \u2014 it only impacts self-hosted or managed Agenta platform deployments. Version 0.86.8 contains a fix for the issue.",
"id": "PYSEC-2026-7",
"modified": "2026-05-20T09:18:51.078113Z",
"published": "2026-02-26T02:16:23.483Z",
"references": [
{
"type": "ADVISORY",
"url": "https://github.com/Agenta-AI/agenta/security/advisories/GHSA-cfr2-mp74-3763"
}
],
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}