CVE-2026-53663

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• 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

0.14% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 3.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-06-23.

Red Hat severity

Low. 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

2026-06-22 17:39Z4 MO AGO

Last updated

2026-06-22 19:52Z4 MO AGO

Reserved

2026-06-09

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Low (CVSS 3.1)

CNA CVSS vector

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

Weaknesses

• CWE-352Cross-Site Request Forgery (CSRF)Compound

Data version

5.2

Document digest

a622f77df0c2d8439e54513b3ff2fe0a8a56bce7e7e86717988b431c124dfdbb

• github.comhttps://github.com/remix-run/react-router/security/advisories/GHSA-84g9-w2xq-vcv6x_refsource_CONFIRM