Vulnerability · Published Jun 5, 2026 · Assigned by linqi

CVE-2026-11345Improper Authentication Bypass in linqi CDN File Access

Medium 6.9

In plain English

A medium-severity improper authentication in linqi from linqi GmbH. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities).

Severity (CVSS 4.0)6.9Medium

Exploit odds (30 days)0.4%top 64.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

An Improper Authentication vulnerability in the /api/Cdn/GetFile endpoint of linqi allows unauthenticated, remote attackers to bypass file access controls. The ValidateAnonFileAccess function incorrectly grants access if an 'AnonFile' query parameter containing exactly 256 characters is provided. While this flaw allows bypassing the intended authorization check, the actual security impact is negligible; the exposed resources are strictly limited to minified JavaScript and CSS files that contain no sensitive data and are already publicly accessible via a standard CDN.

Affected products (as reported)

Vendor	Product	Versions
linqi GmbH	linqi	0 – before 1.4.8.6

Weakness: CWE-287 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

References

https://linqi.help/en/reference/security/security-advisories/#security-advisory-improper-authentication-bypass-in-cdn-file-access-in-linqi vendor-advisory