No VulnCrest analysis published for this CVE yet. Below is the original CNA/NVD description, unmodified.
Description
LogChimp 0.9.0-alpha.1 before 0.9.3 contains an authorization bypass vulnerability that allows authenticated post authors to modify any other post by supplying mismatched postId and id body parameters. Attackers can set postId to their own post and id to an enumerated victim post UUID to overwrite its title, slug, content, boardId and roadmap_id.
Exploits & detection
No public PoC or detection template found yet.
Timeline
- Published: 03 Nov 2026
- Last modified upstream: 11 Nov 2026
Sources & licenses
- CVE / CVSS / CWE
- NVD record ↗ (unmodified). This product uses the NVD API but is not endorsed or certified by the NVD. CVE® © The MITRE Corporation.
- Exploitation
- CISA KEV (CC0) · EPSS by FIRST.org
- References used for the analysis
- https://github.com/logchimp/logchimp
- https://github.com/logchimp/logchimp/blob/v0.9.2/packages/server/src/controllers/post/updatePost.ts#L67
- https://github.com/logchimp/logchimp/blob/v0.9.2/packages/server/src/middlewares/postExists.ts#L72-L77
- https://github.com/logchimp/logchimp/commit/a78b69af342908472ad400285187e43729295a7c
- https://github.com/logchimp/logchimp/releases/tag/v0.9.3
- https://www.vulncheck.com/advisories/logchimp-before-0.9.3-authorization-bypass-via-patch-api-v1-posts
- Analysis, summary and remediation
- © VulnCrest