CVE Catalog

CVE-2026-111946

MediumCVSS 5.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.34%

28th percentile - higher than 28% of all known CVEs

Summary

Plack::Middleware::ETag versions from 0.04 before 0.06 for Perl disclose file inode numbers in the default ETag header. When the response body is a filehandle and the file_etag option is not set, the ETag is built from the file's inode number, modification time and size.

Risk Assessment

Clients receiving affected responses may use the disclosed inode numbers to aid backend fingerprinting and correlation of files served through different URLs.

Recommendation

Update Plack::Middleware::ETag to version 0.06 or later, or explicitly set the file_etag option to avoid disclosing file metadata.

Related vulnerabilities

Original NVD description (English source)

Plack::Middleware::ETag versions from 0.04 before 0.06 for Perl disclose file inode numbers in the default ETag header. When the response body is a filehandle and the file_etag option is not set, the ETag is built from the file's inode number, modification time and size. Clients receiving affected responses may use the disclosed inode numbers to aid backend fingerprinting and correlation of files served through different URLs.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS