What’s Vulnerable › Vulnerabilities

CVE-2026-78851

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-15 · updated 2026-10-16
• Weakness: CWE-22

Description

Directory Traversal vulnerability in Grav CMS 2.0.3 through 2.0.6 allows a remote attacker to obtain sensitive information via the GravExtension.php and the mediaDirFunc method.

References

• https://github.com/SLO-CYBER-SEC/CVE-2026-78851
• https://github.com/getgrav/grav
• https://github.com/getgrav/grav/blob/2.0.6/system/config/security.yaml#L325
• https://github.com/getgrav/grav/blob/2.0.6/system/src/Grav/Common/Twig/Extension/GravExtension.php#L1629
• https://github.com/SLO-CYBER-SEC/CVE-2026-78851

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