CVE-2026-78051 alexta69 MeTube Cookie File cookies.txt file access
Remote attackers can access sensitive cookie files via path traversal in MeTube, requiring an upgrade to mitigate.
- 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-2026-78051?
CVE-2026-78051 is a medium-severity path traversal vulnerability in alexta69 MeTube, published on 22 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was determined in alexta69 MeTube up to 2026.06.10. The impacted element is an unknown function of the file /download/.metube/cookies.txt of the component Cookie File Handler. This manipulation causes files or directories accessible. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version 2026.06.20 is sufficient to resolve this issue. Patch name: ce897ee00903bf7ded406f0d7852d95dd4164add. You should upgrade the affected component.
Which versions are affected by CVE-2026-78051?
How do I fix CVE-2026-78051?
No fix has been published for CVE-2026-78051 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-2026-78051 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-78051 exists.
Sources
Also known as GHSA-hj5g-p3v4-3cw5, GHSA-hjhm-cmvf-w9vp.