---
title: "CVE-2026-53942: Conda - Server-Side Template Injection"
description: "Conda Organization Infrastructure contains a server-side template injection caused by unsandboxed Jinja2 template rendering in .github/workflows/update.yml, letting attackers execute code via crafted PR comments, exploit requires attacker to control a pull request."
url: https://panop.io/threat-heartbeat/CVE-2026-53942/
---

# CVE-2026-53942 Conda - Server-Side Template Injection

Conda Organization Infrastructure contains a server-side template injection caused by unsandboxed Jinja2 template rendering in .github/workflows/update.yml, letting attackers execute code via crafted PR comments, exploit requires attacker to control a pull request.

CVSS base score 9.9 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.45% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-53942)

## Details

Type

Server-Side Template Injection

Impact

Remote Code Execution

CVSS vector

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

Published

23 October 2026

Updated

25 October 2026

Weakness

[CWE-94](https://cwe.mitre.org/data/definitions/94.html)

## Vendor fix

Update to the version including commit 9c0f238 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-53942](https://nvd.nist.gov/vuln/detail/CVE-2026-53942)
- [https://github.com/conda/infrastructure/commit/9c0f23857282ff5cf7a6b3ad6bf0dd6f9974be55](https://github.com/conda/infrastructure/commit/9c0f23857282ff5cf7a6b3ad6bf0dd6f9974be55)
- [https://github.com/conda/infrastructure/security/advisories/GHSA-pf87-fcg3-wjfh](https://github.com/conda/infrastructure/security/advisories/GHSA-pf87-fcg3-wjfh)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)