CVE-2023-34034

Using "**" as a pattern in Spring Security configuration for WebFlux creates a mismatch in pattern matching between Spring Security and Spring WebFlux, and the potential for a security bypass.

Affected

Spring Security

CVSS v3.1 NVD

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 VMWARE

9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS

4.11% chance of exploitation in the next 30 days, 91st percentile

Published

2023-07-19

Updated

2026-05-01

Proof-of-concept exploits (1)

• hotblac/cve-2023-340341★ · 2023-12-09

Security advisories

• https://spring.io/security/cve-2023-34034
• advisories/GHSA-3h6f-g5f3-gc4w

References

• CVE Record
• NVD entry

Related

• CVE-2022-31692