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CVE-2026-55453 is a vulnerability associated with the CUPS package on Debian Linux and included in Slackware advisory SSA:2026-278-01 for Slackware Linux 15.0 and -current. Debian Linux 12.0, 13.0, and 14.0 are listed in detection applicability metadata. The underlying flaw, vulnerable function, precise affected versions, and exploitation mechanism are not currently available.
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No public exploit code observed for this vulnerability.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical vulnerability affecting the cups package on Debian Linux, identified by Nessus plugin 363053. Its CVSS v3 base score is 9.8, indicating network attackability without authentication or user interaction and high confidentiality, integrity, and availability impacts. The content does not describe the underlying flaw. The vendor indicates it will not be patched, and no known solution or exploit is available. Detection relies on package presence rather than demonstrated exploitation.
A CUPS vulnerability included in Slackware advisory SSA:2026-278-01. Updated packages are available for Slackware Linux 15.0 and -current. The content does not provide vulnerability-specific technical details or impacts.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.