What is CVE-2026-34980?

CVE-2026-34980 is a high-severity vulnerability in Openprinting Cups, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-04-03.

How severe is CVE-2026-34980?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in Openprinting Cups

CVE-2026-34980

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, in a network-exposed cupsd with a shared target queue, an unauthorized client can send a Print-Job to that s…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.005 (39.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Openprinting Cups — versions <= 2.4.16

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2026-34980?: CVE-2026-34980 is a high-severity vulnerability in Openprinting Cups, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-04-03.
How severe is CVE-2026-34980?: High severity. CVSS v3 base score is 7.5 out of 10.