CVE-2026-47428

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 ImpacttotalSuccessful exploitation gives total 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

0.61% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 46.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Deferred. NVD last modified this record on 2026-07-15.

Red Hat severity

Important. 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

2026-07-14 19:30Z1 MO AGO

Last updated

2026-07-15 13:20Z1 MO AGO

Reserved

2026-05-19

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Critical (CVSS 9.6)

CNA CVSS vector

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

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.2

Document digest

f2985bdcdf4a26f920699db34d9f0f4e192770d1d435583a825c51f7e9fe261c

• github.comhttps://github.com/vitest-dev/vitest/security/advisories/GHSA-2h32-95rg-cpppx_refsource_CONFIRM
• github.comhttps://github.com/vitest-dev/vitest/pull/10283x_refsource_MISC
• github.comhttps://github.com/vitest-dev/vitest/pull/10285x_refsource_MISC
• github.comhttps://github.com/vitest-dev/vitest/commit/18af98cee1830604d57f6a02bf28f8067cdffc06x_refsource_MISC
• github.comhttps://github.com/vitest-dev/vitest/commit/3514f9fa135c90e1c35754fc4d27c9cf351faafax_refsource_MISC
• github.comhttps://github.com/vitest-dev/vitest/releases/tag/v4.1.6x_refsource_MISC
• github.comhttps://github.com/vitest-dev/vitest/releases/tag/v5.0.0-beta.3x_refsource_MISC