CVE-2026-54055

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

0.07% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 0.0% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-10-26.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2026-06-12 20:03Z4 MO AGO

Last updated

2026-06-15 19:28Z4 MO AGO

Reserved

2026-06-11

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 5.0)

CNA CVSS vector

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

Weaknesses

• CWE-59Improper Link Resolution Before File Access ('Link Following')Base
• CWE-367Time-of-check Time-of-use (TOCTOU) Race ConditionBase
• CWE-426Untrusted Search PathBase

Data version

5.2

Document digest

816a96f7855852e83a7f79c7fa6703f65c80d4cb36bee5efa0946183a0931f21

• github.comhttps://github.com/kovidgoyal/kitty/security/advisories/GHSA-q446-x7q6-vcxhx_refsource_CONFIRM