CVE-2026-75926

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 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

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

EPSS percentile

Equal to or higher than the score of 20.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

Analyzed. NVD last modified this record on 2026-10-22.

Red Hat severity

Critical. 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

2026-08-18 15:47Z2 MO AGO

Last updated

2026-09-24 14:19Z1 MO AGO

Reserved

2026-08-18

Assigning CNA

VulnCheck

Record state

PUBLISHED

Severity

Critical (CVSS 9.3)

CNA CVSS vector

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

Weaknesses

• CWE-1188Initialization of a Resource with an Insecure DefaultBase
• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')Base

Data version

5.2

Document digest

3a5b2addefdcd84fa72586a8d43de870f94769e15199442ddda772c9679e135f

• github.comhttps://github.com/gohugoio/hugo/commit/8a55df7af2e6da31297245cc54fa2e3b521d93e8patch
• github.comhttps://github.com/gohugoio/hugo/issues/15178issue-tracking
• github.comhttps://github.com/gohugoio/hugo/blob/v0.164.0/config/security/securityConfig.go#L72-L79technical-description
• github.comhttps://github.com/gohugoio/hugo/blob/v0.164.0/common/hexec/exec.go#L292-L295technical-description
• github.comhttps://github.com/gohugoio/hugoproduct
• www.vulncheck.comVulnCheck Advisory: Hugo 0.162.0 to 0.164.x - Node Permission Model Bypass via Default TailwindCSS Child-Process Granthttps://www.vulncheck.com/advisories/hugo-to-x-node-permission-model-bypass-via-default-tailwindcss-child-process-grantthird-party-advisory