An issue was discovered in eZ Publish Ibexa Kernel before 7.5.15.1.
Priority LOW 31CWE-203Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-203.
Summary
An issue was discovered in eZ Publish Ibexa Kernel before 7.5.15.1. The /user/sessions endpoint can be abused to determine account existence.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00507 43rd percentileScored 2026-11-07
Fix Fixed ezsystems/ezpublish-kernel (Packagist): 6.13.8.1, 7.5.15.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | ezsystems/ezpublish-kernel (Packagist) | 6.13.0 to before 6.13.8.1 | 6.13.8.1 | Patch available | GHSA-gmrf-99gw-vvwj |
| — | ezsystems/ezpublish-kernel (Packagist) | 7.5.0 to before 7.5.15.1 | 7.5.15.1 | Patch available | GHSA-gmrf-99gw-vvwj |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- ezsystems/ezpublish-kernel (Packagist) Vendor— Affected 6.13.0 to before 6.13.8.1 Fixed in 6.13.8.1 Patch available GHSA-gmrf-99gw-vvwj
- ezsystems/ezpublish-kernel (Packagist) Vendor— Affected 7.5.0 to before 7.5.15.1 Fixed in 7.5.15.1 Patch available GHSA-gmrf-99gw-vvwj
Remediation
- Fix · GHSA-gmrf-99gw-vvwj ezsystems/ezpublish-kernel (Packagist) Fixed in 6.13.8.1 Advisory →
- Fix · GHSA-gmrf-99gw-vvwj ezsystems/ezpublish-kernel (Packagist) Fixed in 7.5.15.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-46876
- 2026-10-03 Alias added: GHSA-gmrf-99gw-vvwj
References
Patch 1
Advisory 2
More ibexa Ez Platform Kernel vulnerabilities
- TI-2022-23981 An issue was discovered in eZ Publish Ibexa Kernel before 7.5.28. CVSS 3.1CRITICAL 9.8
- TI-2022-09029 Ibexa DXP ezsystems/ezpublish-kernel 7.5.x before 7.5.26 and 1.3.x before 1.3.12 allows… CVSS 3.1CRITICAL 9.8
- TI-2022-23979 An issue was discovered in eZ Platform Ibexa Kernel before 1.3.26. CVSS 3.1HIGH 7.2
- TI-2021-21543 An issue was discovered in eZ Platform Ibexa Kernel before 1.3.1.1. CVSS 3.1MEDIUM 6.1
- TI-2022-09028 Ibexa DXP ezsystems/ezpublish-kernel 7.5.x before 7.5.26 and 1.3.x before 1.3.12 allows… CVSS 3.1MEDIUM 5.3
- TI-2022-23980 An issue was discovered in eZ Platform Ibexa Kernel before 1.3.19. CVSS 3.1LOW 3.7
Sources
- CVE-2021-46876 · CVE Program
- CVE-2021-46876 · NVD
- FIRST EPSS
- GHSA-gmrf-99gw-vvwj · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences