HIGHVulnerability
CVE-2026-75827
Grav before 2.0.15 contains an arbitrary file write vulnerability in the Blueprint dynamic-data bare-function validation that uses an incomplete denylist instead of a positive allowlist. Attackers with page-edit or blueprint-config access can invoke the error_log function through a data directive to append PHP payloads to web-accessible files, achieving remote code execution.
Properties
- severity
- HIGH
- score
- 8.8
- epss_score
- 0.00589
- cve_id
- CVE-2026-75827
- vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- published_at
- 2026-08-18T12:19:32.553
- last_modified
- 2026-09-08T20:32:39.347
- epss_percentile
- 0.46032
Related Entities (3)
ENRICHED_BY (1)
→[Source]FIRST EPSS
HAS_WEAKNESS (1)
→[Weakness]Improper Control of Generation of Code ('Code Injection')
DESCRIBED_BY (1)
→[Source]NVD
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