Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Spring Security's spring-security-oauth2-jose package is affected in versions 6.3.0 through 6.3.14, 6.4.0 through 6.4.14, 6.5.0 through 6.5.9, and 7.0.0 through 7.0.4. The source gives few details beyond saying that applications using NimbusJwtDecoder or NimbusReactiveJwtDecoder must configure a JWT validator separately, and that this can be misconfigured when using withIssuerLocation. Upgrade to 6.5.10 or 7.0.5, or to a later release in your line.
Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 5.3 | Medium | 3.1 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N | CNA (vmware) |
- CISA KEV Not listed.
- EPSS 0.0020, the 10th percentile, on 10 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 14:17 UTC First seen by agentprime
- 31 Oct 2026, 14:17 UTC Confirmed by OSV