CVE-2026-8843Medium· 6.5▾ SunlitCreating a "2dsphere_bucket" index on a non-timeseries bucket collection will succeed, but any subsequent attempt to insert a document which triggers updating that index will crash the server. A similar issue occurs when creating "querya…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 35.8 · likelihood 0 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.2%
Creating a "2dsphere_bucket" index on a non-timeseries bucket collection will succeed, but any subsequent attempt to insert a document which triggers updating that index will crash the server. A similar issue occurs when creating "queryable_encrypted_range" indices.
This issue affects MongoDB Server v7.0 versions prior to 7.0.32, v8.0 versions prior to 8.0.21 and v8.2 versions prior to 8.2.6
mongodb >= 7.0.0, < 7.0.32mongodb >= 8.0.0, < 8.0.21mongodb >= 8.2.0, < 8.2.6Upgrade past the affected range:
mongodb 8.2.6Connected by shared product, vendor, weakness, or advisory.
CVE-2026-82052Medium· 6.5The $regexFindAll expression can be used by an authenticated user who can run aggregation pipeline stages to crash a MongoDB server (mongod)
CVE-2026-82059Medium· 5.3An internal aggregation expression in MongoDB Server was incorrectly registered as accessible to any authenticated user rather than being restricted to internal cluster operations
CVE-2026-82064High· 7.5A security issue in MongoDB Server allows an unauthenticated network user to cause a denial of service on a specific type of replica set member
CVE-2026-82065Medium· 6.5A security issue in the MongoDB Server's storage engine integration layer allows an authenticated user with collection creation privileges to cause a persistent denial of service
CVE-2026-82068Medium· 6.5A security issue in MongoDB Server allows an authenticated user with write privileges to trigger a persistent fatal assertion crash by sending specially crafted retryable write commands
CVE-2026-18707Medium· 4.3An issue in MongoDB Server could allow an authenticated user, including one with no assigned privileges, to cause the server process to terminate unexpectedly by submitting a specially formed aggregation command