CVE-2026-40091: SpiceDB: SPICEDB_DATASTORE_CONN_URI is leaked on startup logs

Severity: medium (CVSS 4.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-15 · updated 2026-10-26
Weakness: CWE-532

Description

SpiceDB is an open source database system for creating and managing security-critical application permissions. In versions 1.49.0 through 1.51.0, when SpiceDB starts with log level info, the startup "configuration" log will include the full datastore DSN, including the plaintext password, inside DatastoreConfig.URI. This issue has been fixed in version 1.51.1. If users are unable to immediately upgrade, they can work around this issue by changing the log level to warn or error.

Affected products

authzed spicedb: from 1.49.0 before 1.51.1 — fixed in 1.51.1

How to fix

Upgrade to a fixed version: authzed spicedb 1.51.1. Check the vendor advisory for mitigations.

References

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