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TI-2026-79157 Aliases CVE-2026-114658GHSA-hgwc-2mf9-5m4j

Privilege escalation in Grav Login plugin via login.invite

Priority LOW 39CWE-269Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Privilege escalation
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-269.

Summary

The Grav Login plugin from 3.6.0 before 3.9.13 has a missing authorization check in its login.invite task. Page authors can define an invitation form in page frontmatter that grants super user access, then an unauthenticated attacker can submit it to register the invited address and gain full control of the site (CWE-269).

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Grav Login plugin from 3.6.0 before 3.9.13 contains a missing authorization vulnerability in the login.invite task that allows page authors to obtain super user accounts. Attackers can define an invitation form granting super access in page frontmatter, submit it unauthenticated, and register the invited address for full site control.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00264 18th percentileScored 2026-11-07
Fix Fixed grav-plugin-login (getgrav): 3.9.13

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
getgravgrav-plugin-login3.6.0 to before 3.9.133.9.13Patch availableCNA
  • grav-plugin-login Vendorgetgrav Affected 3.6.0 to before 3.9.13 Fixed in 3.9.13 Patch available CNA

Remediation

Update the Grav Login plugin (grav-plugin-login) to version 3.9.13.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

  • Fix · CNA grav-plugin-login (getgrav) Fixed in 3.9.13

Timeline

  1. 2026-10-22 Threatist record created from CVE-2026-114658
  2. 2026-10-22 Alias added: GHSA-hgwc-2mf9-5m4j
  3. 2026-10-23 Priority changed: MEDIUM → LOW
  4. 2026-10-28 CISA SSVC decision points changed

References

Advisory 1

  • TI-2026-30893 Grav: Privilege Escalation via Missing Server-Side Validation of groups/access CVSS 3.1CRITICAL 9.4
  • TI-2025-28971 Cross Site Scripting vulnerability in grav v.1.7.48 and before allows an attacker to… CVSS 3.1CRITICAL 9.8
  • TI-2021-04523 Unauthenticated Arbitrary YAML Write/Update leads to Code Execution CVSS 3.1CRITICAL 9.8
  • TI-2026-50940 Grav CMS before 2.0.16 Origin Validation Bypass via Referer CVSS 4.0CRITICAL 9.3
  • TI-2026-46446 Grav before 2.0.7 Remote Code Execution via Blueprint dynamicData CVSS 4.0CRITICAL 9.3
  • TI-2021-22428 GravCMS 1.10.7 - Arbitrary YAML Write/Update (Unauthenticated) (2) CVSS 4.0CRITICAL 9.3
See all 228 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences