CVE-2026-78851

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.

CVSS 3.1

6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS

1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-25)

CWEs

CWE-22, CWE-200

Published

2026-10-15

Modified

2026-10-16

Record from

the NVD, synced 2026-10-19

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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