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CVE-2026-34980 is an improper control-record injection vulnerability in OpenPrinting CUPS 2.4.16 and earlier. On a network-exposed CUPS server with a shared PostScript queue, an unauthenticated client can submit a Print-Job containing a page-border attribute encoded as textWithoutLanguage. Embedded newline characters survive option escaping and subsequent reparsing, causing a second-line PPD: record to be interpreted as a trusted scheduler control record. A subsequent raw print job can cause CUPS to execute an attacker-selected existing binary as the low-privileged lp service account.
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lp service user. The vulnerability also permits attacker-controlled modification of internal queue configuration through injected PPD control data. The resulting foothold may be chained with separate CUPS vulnerabilities for further privilege escalation, but root-level impact is not provided by CVE-2026-34980 alone.If you can’t patch tonight, do this now.
lp.Patch, then assume compromise.
No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
19 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability tracked as CVE-2026-34980 affecting the evaluated CentOS 8.4/TuxCare security-check context. It has an Important vendor severity rating and impacts confidentiality, integrity, and availability according to the supplied CVSS vectors.
A vulnerability identified as CVE-2026-34980, covered by a CentOS 7 TuxCare local security-check plugin. The notice rates it Important and indicates exploit availability and a published patch.
A vulnerability tracked as CVE-2026-34980 addressed by the referenced TuxCare/CentOS 8.5 security advisory. The notice rates it Important and indicates exploit availability.
Unknown.
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Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.