CVE-2026-82656
Received Received - Intake

Admidio Path Traversal in Photo ZIP Download

Publication date: 2026-08-30

Last updated on: 2026-08-30

Assigner: VulnCheck

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.

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Meta Information

Published
2026-08-30
Last Modified
2026-08-30
Generated
2026-08-30
AI Q&A
2026-08-30
EPSS Evaluated
N/A
NVD
CVE-2026-82656
EUVD
EUVD-2026-68242

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
admidio admidio to 5.0.12 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-22 The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Attack-Flow Graph

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Executive Summary

CVE-2026-82656 is a path traversal vulnerability in Admidio versions before 5.0.12. It occurs in the photo ZIP download feature where album names are not properly sanitized. Attackers with album-creation rights can include path traversal sequences in album names, causing files to be written outside the intended directory when victims extract the ZIP archive.

Detection Guidance

Check Admidio versions 5.0.11 and earlier for the photo ZIP download feature. Inspect album names for path traversal sequences like ../ or absolute paths. Review extracted ZIP archives for unexpected file locations outside intended directories.

Impact Analysis

This vulnerability requires an attacker to have album-creation privileges in Admidio. If exploited, it could allow the attacker to write files outside the intended directory on a victim's system when they extract a malicious ZIP archive. The impact depends on the victim's extraction behavior and system permissions.

Compliance Impact

This vulnerability does not directly impact compliance with GDPR, HIPAA, or similar standards as it requires specific conditions to exploit and does not involve unauthorized data access or disclosure. The issue is limited to potential file system manipulation during ZIP extraction, which is a local impact rather than a data breach.

Mitigation Strategies

Upgrade Admidio to version 5.0.12 or later. Sanitize album names to remove path traversal sequences before using them as directory paths. Restrict album creation rights to trusted users only.

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