CVE-2026-108772 bleenco abstruse Cache Endpoint download_cache.go filepath.Join path traversal
Remote attackers can exploit a path traversal flaw in the cache endpoint to read arbitrary files from the server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-108772?
CVE-2026-108772 is a medium-severity path traversal vulnerability in bleenco abstruse, published on 11 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A security vulnerability has been detected in bleenco abstruse up to 2.1.0. This issue affects the function filepath.Join of the file server/api/worker/download_cache.go of the component Cache Endpoint. Such manipulation of the argument File leads to path traversal. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Weakness: CWE-22
Which versions are affected by CVE-2026-108772?
How do I fix CVE-2026-108772?
No fix has been published for CVE-2026-108772 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-2026-108772 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108772 exists.
Sources
Also known as GHSA-gf4x-37hh-w872.