Vulnerability · Published Aug 22, 2026 · Assigned by VulDB

CVE-2026-78051alexta69 MeTube Cookie File cookies.txt file access

Medium 5.3

In plain English

A medium-severity security flaw in MeTube from alexta69. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.5%top 54.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
alexta69	MeTube	2026.06.02026.06.12026.06.22026.06.32026.06.42026.06.52026.06.62026.06.7

Weakness: CWE-552, CWE-425 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C

References

VDB-394292 | alexta69 MeTube Cookie File cookies.txt file access vdb-entry
VDB-394292 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-78051 | CVE Analysis and Report third-party-advisory
Submit #881387 | alexta69 MeTube 2026.06.10 Information Disclosure third-party-advisory
https://github.com/alexta69/metube/security/advisories/GHSA-hj5g-p3v4-3cw5 exploit
https://github.com/alexta69/metube/ product