CVE-2026-81525: mongodb: Reject "." and NUL bytes in database and collection names

high Affects mongodb/mongodb. Feed 2026.10.29.1, updated 2026-10-28; published 2026-09-08.

mongodb: Reject "." and NUL bytes in database and collection names

Package: mongodb/mongodb Composer
Affected versions: <1.21.4 or >=2.0.0 and <2.4.1
Fixed in: 1.21.4, 2.4.1
Severity: high CVSS 8.1
Exploitation: not on CISA KEV · EPSS 0% (41.9th percentile)
Published: 2026-09-08
Source: osv.dev

References

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