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CVE-2026-47893 (GCVE-0-2026-47893)

Vulnerability from cvelistv5 – Published: 2026-08-27 05:21 – Updated: 2026-08-28 19:12
VLAI
Title
Spring Framework Request Headers Included in Exception Reasons in HandshakeWebsocketService
Summary
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
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 19:12 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
Spring Spring Framework Affected: 7.0.0 , ≤ 7.0.8 (custom)
Affected: 6.2.0 , ≤ 6.2.19 (custom)
Affected: 6.1.0 , ≤ 6.1.28 (custom)
Affected: 6.0.0 , ≤ 6.0.30 (custom)
Affected: 5.3.0 , ≤ 5.3.49 (custom)
Affected: 0 , ≤ 5.2.25.RELEASE (custom)
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


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