CVE-2026-53966

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

0.76% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 55.3% of scored records. A rank, not a probability.

NVD base score

7.1 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-09-30.

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

2026-09-15 14:38Z1 MO AGO

Last updated

2026-09-15 18:03Z1 MO AGO

Reserved

2026-06-11

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 7.1)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Weaknesses

• CWE-862Missing AuthorizationClass

Data version

5.2

Document digest

7c274c73b13727205d272d780ad1e7a19fbe9f98f18c17ed7afa487bc190ab0c

• github.comhttps://github.com/xwiki/xwiki-platform/security/advisories/GHSA-45ph-gxxr-gwgwx_refsource_CONFIRM
• github.comhttps://github.com/xwiki/xwiki-platform/commit/1ddb954767e50782be960b953b012c1242f6843bx_refsource_MISC
• github.comhttps://github.com/xwiki/xwiki-platform/commit/448b0f074cc6711410eb2647c4740454c92d1626x_refsource_MISC
• github.comhttps://github.com/xwiki/xwiki-platform/commit/778b82b4806ce7ebddb775f953545ff73b841f8bx_refsource_MISC
• github.comhttps://github.com/xwiki/xwiki-platform/commit/fbad7dac8f46c560577e41b9259cbbbbd343e6fcx_refsource_MISC
• github.comhttps://github.com/xwiki/xwiki-platform/releases/tag/xwiki-platform-16.10.17x_refsource_MISC
• github.comhttps://github.com/xwiki/xwiki-platform/releases/tag/xwiki-platform-17.10.4x_refsource_MISC
• github.comhttps://github.com/xwiki/xwiki-platform/releases/tag/xwiki-platform-17.4.10x_refsource_MISC
• github.comhttps://github.com/xwiki/xwiki-platform/releases/tag/xwiki-platform-18.1.0-rc-1x_refsource_MISC
• jira.xwiki.orghttps://jira.xwiki.org/browse/XWIKI-23986x_refsource_MISC