CVE•Published 2026-05-10•Modified 2026-05-12•0 articles on news•5 live references•NVD data
CVE-2026-45191
Vulnerability data via NVD (ingested)
CVSS v3.1
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
EPSS percentile
—
Weaknesses (CWE)
Description
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.
Timeline
Published 2026-05-10
Modified 2026-05-12
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-45191Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-45191Censys host search filtered to this CVE id.
grep.app
CVE-2026-45191Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-45191GitHub code search for direct mentions.
Google dork
"CVE-2026-45191" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (1)
We haven't classified any articles referencing CVE-2026-45191 yet. The external references above still apply.