CVE-2026-82656 Admidio before 5.0.12 Path Traversal via Photo ZIP Download
Authenticated users can craft malicious album names to write files outside the target directory when recipients extract photo ZIP archives.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-82656?
CVE-2026-82656 is a low-severity path traversal vulnerability in admidio, published on 30 Aug 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-22
Which versions are affected by CVE-2026-82656?
How do I fix CVE-2026-82656?
No fix has been published for CVE-2026-82656 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-82656 being exploited?
There is no known exploitation of CVE-2026-82656 in the wild and no public exploit code.
Sources
Also known as GHSA-97g5-g4rj-rr3j, GHSA-gm42-rf3m-682v.