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  4. CVE 2026 86193 grav api plugin authentication bypass via group
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Back to active CVEs
High · CVSS 8.7CVE-2026-86193

Grav API Plugin Authentication Bypass via Group-Inherited SuperCVE-2026-86193

Answer in brief

CVE-2026-86193 records a High severity (CVSS 8.7) vulnerability in Grav API Plugin Authentication Bypass via Group-Inherited Super. The current sources do not mark it as known exploited. The current feed maps getgrav/grav-plugin-api (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 5, 2026Updated Sep 8, 2026Source checked Oct 25, 2026First seen by HOL Sep 5, 2026Material review Sep 8, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.7
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 8.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps getgrav/grav-plugin-api (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
getgrav/grav-plugin-apigeneric>=0 <1.0.201.0.20

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for getgrav/grav-plugin-api.
  2. 2Review the reported fix. Update getgrav/grav-plugin-api to 1.0.20 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Sep 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record
  2. Source modified

    Sep 8, 2026

    Evidence: source:cvelist:source_dates:source-dates:record
  3. First seen by HOL

    Sep 5, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source description

grav-plugin-api before 1.0.20 fails to validate group-inherited super permissions in user-management guards, allowing non-super user managers to modify super-admin accounts. Attackers with api.access and api.users.write can patch password fields on group-super accounts to gain full administrative control.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • FaveoSuite Faveo Helpdesk UnAuthController.php UnAuthController.resolve authorizationAlso CWE-863
  • BookStack before 26.09.2 Incorrect Authorization via AttachmentController on Draft PagesAlso CWE-863

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-863
Source
CVE List V5
Source checked
Oct 25, 2026
References
2 linked sources
Open source record