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TI-2026-61781 Aliases CVE-2026-90915GHSA-fgrv-mjcr-vg2p

Path traversal in Joomla! CMS

Priority LOW 31CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Joomla! Core - [20260905] - Core - Arbitrary directory deletion via cache purge action in Joomla 4.0.0-5.4.8, 6.0.0-6.1.3 -An improper validation of the cache group name allowed path traverals in the file storage of the caching layer, resulting in arbitrary directory deletions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00345 28th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
Joomla!Joomla! CMS4.0.0-5.4.8; 6.0.0-6.1.3—No fix listedCNA
  • Joomla! CMS VendorJoomla! Affected 4.0.0-5.4.8; 6.0.0-6.1.3 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*4.0.0 to before 5.4.8; 6.0.0 to before 6.1.3VulnerableJoomla!
  • cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:* Versions 4.0.0 to before 5.4.8; 6.0.0 to before 6.1.3 Vulnerable ·Joomla!

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-90915
  2. 2026-10-03 Alias added: GHSA-fgrv-mjcr-vg2p
  3. 2026-10-06 CVSS score added · NVD

References

Patch 1

Other 1

  • TI-2016-08118 The mailSend function in the isMail transport in PHPMailer before 5.2.18 might allow… KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-06410 SQL injection vulnerability in Joomla! 3.7.x before 3.7.1 allows attackers to execute… CVSS 3.0CRITICAL 9.8
  • TI-2016-08129 The isMail transport in PHPMailer before 5.2.20 might allow remote attackers to pass… CVSS 3.1CRITICAL 9.8
  • TI-2016-07280 The register method in the UsersModelRegistration class in controllers/user.php in the… CVSS 3.0CRITICAL 9.8
  • TI-2023-09555 [20230201] - Core - Improper access check in webservice endpoints KEVCVSS 3.1MEDIUM 5.3
  • TI-2015-07045 Joomla! 1.5.x, 2.x, and 3.x before 3.4.6 allow remote attackers to conduct PHP object… CVSS 2.0HIGH 7.5
See all 339 →

Sources

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