What is CVE-2026-40091?

CVE-2026-40091 is a medium-severity vulnerability in Authzed Spicedb, classified under Insertion of Sensitive Information into Log File. CVSS score: 6.0/10. Published 2026-04-15.

How severe is CVE-2026-40091?

Medium severity. CVSS v3 base score is 6.0 out of 10.

Information disclosure in Authzed Spicedb

CVE-2026-40091

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.

EPSS: 0.002 (6.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N.

Affected products

Authzed Spicedb — versions >= 1.49.0, < 1.51.1

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (Product, x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-40091?: CVE-2026-40091 is a medium-severity vulnerability in Authzed Spicedb, classified under Insertion of Sensitive Information into Log File. CVSS score: 6.0/10. Published 2026-04-15.
How severe is CVE-2026-40091?: Medium severity. CVSS v3 base score is 6.0 out of 10.