CVE-2026-45191
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.
Published:May 10, 2026
Last Modified:May 11, 2026
EPS:May 10, 2026
EPSS Score:0.00033
CVSS Score:6.5
Affected Products
Vendor
Product
Action
Vendor
Stigtsp
Product
Net::cidr::lite
Stigtsp
Net::cidr::lite
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
No CAPEC recorded yet
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
