CVE-2026-47893CWE-209

CVE-2026-47893

High · published August 27, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
34.8
In the wild
Unconfirmed
What it is

A Spring WebFlux application that supports WebSocket connections may expose indirectly sensitive user information by including request headers in an exception reason.

Spring Framework 7.0.0 - 7.0.8

Spring Framework 6.2.0 - 6.2.19

Spring Framework 6.1.0 - 6.1.28

Spring Framework 6.0.0 - 6.0.30

Spring Framework 5.3.0 - 5.3.49

Spring Framework 5.2.25.RELEASE and earlier

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00416 · 34.8th percentile
Weakness
CWE-209 · Generation of Error Message Containing Sensitive Information
Published
2026-08-27T10:17Z
Affected products (6)
ProductVersionsFixed in
vmware/spring_framework< 5.2.265.2.26
vmware/spring_framework≥ 5.3.0, < 5.3.505.3.50
vmware/spring_framework≥ 6.0.0, < 6.0.316.0.31
vmware/spring_framework≥ 6.1.0, < 6.1.296.1.29
vmware/spring_framework≥ 6.2.0, < 6.2.206.2.20
vmware/spring_framework≥ 7.0.0, < 7.0.8.17.0.8.1
References (1)
https://spring.io/security/cve-2026-47893 · [email protected]
EPSS history
Timeline
  • 28 AUG 06:43Z
    EPSS moved — → 0%
    epss
  • 27 AUG 05:21Z
    Spring Framework Request Headers Included in Exception Reasons in HandshakeWebsocketService
    cvelistv5