CVE-2026-93761High· 7.5▾ TwilightAn inefficient regular expression complexity issue in the in-memory query evaluation component of the Mongoid library may allow an unauthenticated party to cause excessive processing within an embedding application process. Applications …
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 19.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.3%
Last analysed / modified upstream
0.3% → 0.5%
An inefficient regular expression complexity issue in the in-memory query evaluation component of the Mongoid library may allow an unauthenticated party to cause excessive processing within an embedding application process. Applications that place user-supplied text into a pattern-matching query condition on an embedded association may become unresponsive.
mongoid >= 8.0.0, < 8.0.13mongoid >= 8.1.0, < 8.1.13mongoid >= 9.0.0, < 9.0.12mongoid = 9.1.0Upgrade past the affected range:
mongoid 9.0.12Connected by shared product, vendor, weakness, or advisory.
CVE-2026-93758High· 8.1An insecure direct object reference in the nested attributes handling of the Mongoid object-document mapper may allow a user with basic application privileges to reference a record identifier that is not their own
CVE-2026-114645Medium· 5.2Heap overflow via 32-bit length wrap of the URI username in Windows Kerberos auth message wrapping
CVE-2026-96747Medium· 5.0The client-side field level encryption support in the MongoDB Python Driver can treat a key management endpoint value ending in ".sock" as a local Unix domain socket path rather than a remote host
CVE-2026-96749High· 8.4An integer overflow in the BSON document encoding component of the MongoDB Python Driver's bundled native extension may occur when a single document is built from an unusually large amount of caller-supplied data
CVE-2026-96748Medium· 6.5PyMongo's connection string parsing decodes percent-encoded characters in the host portion before the host list is separated on its delimiters
CVE-2026-96746Medium· 6.5An out-of-bounds write in the connection-monitoring logic of the MongoDB C Driver may allow an unauthenticated party who controls name resolution and the responses of the hosts named in a client's connection string to write beyond the en…