CVE-2026-53668

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

0.28% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 19.9% of scored records. A rank, not a probability.

NVD base score

6.9 (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:C/C:H/I:L/A:N

NVD analysis status

Analyzed. NVD last modified this record on 2026-08-03.

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

2026-07-27 21:42Z1 MO AGO

Last updated

2026-07-28 13:44Z1 MO AGO

Reserved

2026-06-09

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.9)

CNA CVSS vector

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

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
• CWE-601URL Redirection to Untrusted Site ('Open Redirect')Base

Data version

5.2

Document digest

9ec47d8ed83d27d3e8c20441f215b630c917bd09f451d40c9d5119a3466fe7c7

• github.comhttps://github.com/remix-run/react-router/security/advisories/GHSA-jjmj-jmhj-qwj2x_refsource_CONFIRM
• github.comhttps://github.com/remix-run/react-router/pull/14718x_refsource_MISC
• github.comhttps://github.com/remix-run/react-router/commit/3a5b5ad0e5cf9918c646509563f5c41a89226ff3x_refsource_MISC
• github.comhttps://github.com/remix-run/react-router/blob/main/CHANGELOG.md#v7180x_refsource_MISC
• github.comhttps://github.com/remix-run/react-router/releases/tag/react-router@7.18.0x_refsource_MISC