CVE-2026-108772: bleenco abstruse Cache Endpoint download_cache.go filepath.Join path traversal

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-11 · updated 2026-10-15
Weakness: CWE-22

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.

Affected products

bleenco abstruse: 2.0, 2.1.0

References

https://glacier-tarsal-711.notion.site/abstruse-worker_cache_path_traversal-3d0b25e24b368035a445c1f09b0b34f6?source=copy_link
https://vuldb.com/cve/CVE-2026-108772
https://vuldb.com/submit/958032
https://vuldb.com/vuln/416553
https://vuldb.com/vuln/416553/cti

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