Information disclosure in Scriban
CVE-2026-124438
Scriban before 7.5.2 contains an information disclosure and object manipulation vulnerability that allows template authors to access .NET internals of function values through reflection member accessors. Attackers can use array.map to read Target, Method, or ReturnType on imported delegates, exposing and overwriting service properties, captured closure secrets, and assembly paths.
Vulnerability class: Information Disclosure
Published .
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- GitHub Security Advisory (GHSA-hvr4-4p37-494f) (vendor-advisory)
- VulnCheck Advisory: Scriban before 7.5.2 Delegate Target Exposure via array.map Member Access (third-party-advisory)
Frequently asked questions
- What is CVE-2026-124438?
- CVE-2026-124438 is a high-severity vulnerability in Scriban, classified under Information Disclosure. CVSS score: 7.4/10. Published 2026-11-08.
- How severe is CVE-2026-124438?
- High severity. CVSS v3 base score is 7.4 out of 10.