CVE-2026-82052
Last modified
CVE-2026-82052 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. The $regexFindAll expression can be used by an authenticated user who can run aggregation pipeline stages to crash a MongoDB server (mongod). Under certain specific conditions the regex match can start in the middle of a multi-code-unit character, triggering an assertion during query execution.. EPSS estimates a 0.36% chance of exploitation in the next 30 days.
Description
The $regexFindAll expression can be used by an authenticated user who can run aggregation pipeline stages to crash a MongoDB server (mongod). Under certain specific conditions the regex match can start in the middle of a multi-code-unit character, triggering an assertion during query execution.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mongodb | Mongodb | >= 7.0.0, < 7.0.41 |
| Mongodb | Mongodb | >= 8.0.0, < 8.0.30 |
| Mongodb | Mongodb | >= 8.3.0, < 8.3.9 |
References
- https://jira.mongodb.org/browse/SERVER-127985Issue Tracking, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-82052?
How severe is CVE-2026-82052?
How do I fix CVE-2026-82052?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-82042UTMStack before 11.2.16 contains an authentication bypass vu…9.8
- CVE-2026-82043UTMStack before 11.2.16 contains an account enumeration vuln…5.3
- CVE-2026-82044UTMStack before 11.2.16 contains a server-side request forge…7.7
- CVE-2026-82045UTMStack before 11.2.16 contains a JPQL injection vulnerabil…6.5
- CVE-2026-82049In CPython 3.13 and earlier, the tarfile module's data and t…8.4
- CVE-2026-8205Concrete CMS 9.5.0 and below is vulnerable to authorization …5.3
- CVE-2026-82053A security issue exists in MongoDB's LDAP authorization inte…8.1
- CVE-2026-82054A security issue exists in MongoDB server's JSON Pointer par…6.5
- CVE-2026-82055A security issue exists in MongoDB's 2dsphere index key gene…6.5
- CVE-2026-82056A race condition in MongoDB server's text index query parsin…5.3
- CVE-2026-82057A security issue was discovered in MongoDB where an authenti…6.5
- CVE-2026-82058A flaw in MongoDB's JSON Schema validation error generation …6.5
Are you affected by CVE-2026-82052?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST