CVE-2026-55480

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.20% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 10.0% of scored records. A rank, not a probability.

NVD base score

5.7 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-10-20.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-10-15 17:09Z14 DAYS AGO

Last updated

2026-10-20 02:59Z10 DAYS AGO

Reserved

2026-06-16

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 5.7)

CNA CVSS vector

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H

Weaknesses

• CWE-59Improper Link Resolution Before File Access ('Link Following')Base
• CWE-377Insecure Temporary FileClass

Data version

5.2

Document digest

b27f98e1cda5fd5b4a68be65a9c73352c2824369ac233a54c6a8a42da3bcd3f6

• github.comhttps://github.com/OpenPrinting/cups/security/advisories/GHSA-jj94-x3qh-ffp9x_refsource_CONFIRM
• github.comhttps://github.com/OpenPrinting/cups/commit/98adfd855950e806508f961d5438ad32e26aac62x_refsource_MISC
• github.comhttps://github.com/OpenPrinting/cups/commit/f6a11dae0f0f3b748fbca931e237be03ffe8e48ex_refsource_MISC
• github.comhttps://github.com/OpenPrinting/cups/releases/tag/v2.4.20x_refsource_MISC