claude-mem: The computeObservationContentHash Function is Vulnerable to Hash Collision
A weakness has been identified in thedotmack claude-mem up to 11.0.1. The affected element is the function computeObservationContentHash of the file src/services/sqlite/observations/store.ts of the component Observation Content Hash Handler. This manipulation causes use of weak hash. The attack can only be executed locally. The attack's complexity is rated as high. The exploitability is described as difficult. Upgrading to version 12.0.0 is sufficient to fix this issue. Patch name: f32fda8b35e9fe9329f87da65c31149362a03f97. It is suggested to upgrade the affected component.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | claude-mem | < 12.0.0 | 12.0.0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-11330
- https://github.com/thedotmack/claude-mem/pull/1494
- https://github.com/thedotmack/claude-mem/commit/f32fda8b35e9fe9329f87da65c31149362a03f97
- https://github.com/thedotmack/claude-mem
- https://github.com/thedotmack/claude-mem/releases/tag/v12.0.0
- https://vuldb.com/cve/CVE-2026-11330
- https://vuldb.com/submit/832401
- https://vuldb.com/vuln/368870
- https://vuldb.com/vuln/368870/cti
- CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L- Weakness (CWE)
CWE-327- Platform
- npm
- Package
claude-mem- Disclosed
- 05.06.2026
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-5gvr-v6qv-h5mm - CC BY 4.0
Vulnerability history: claude-mem
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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