CVE-2026-45191

Published: Mag 10, 2026 Last Modified: Mag 10, 2026
ExploitDB:
Other exploit source:
Google Dorks:

Description

AI Translation Available

Net::CIDR::Lite versions before 0.24 for Perl does not properly consider extraneous zero characters in CIDR mask values, which may allow IP ACL bypass.

Mask forms like '/00' and '/01' pass validation and parse to the same prefix as their unpadded value.

See also CVE-2026-45190.

1289

Improper Validation of Unsafe Equivalence in Input

Incomplete
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Other
Potential Impacts:
Varies By Context
Applicable Platforms
All platforms may be affected
View CWE Details
https://github.com/stigtsp/Net-CIDR-Lite/commit/24e2c439ec4…
https://github.com/stigtsp/Net-CIDR-Lite/commit/24e2c439ec405e5256024b9acefd4f7…
https://metacpan.org/release/STIGTSP/Net-CIDR-Lite-0.24/cha…
https://metacpan.org/release/STIGTSP/Net-CIDR-Lite-0.24/changes
https://www.cve.org/CVERecord?id=CVE-2026-45190
https://www.cve.org/CVERecord?id=CVE-2026-45190