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Back to active CVEs
High · CVSS 7.5CVE-2026-47893

Spring Framework Request Headers Included in Exception Reasons in HandshakeWebsocketServiceCVE-2026-47893

Answer in brief

CVE-2026-47893 records a High severity (CVSS 7.5) vulnerability in Spring Framework Request Headers Included in Exception Reasons in HandshakeWebsocketService. The current sources do not mark it as known exploited. The current feed maps Spring/Spring Framework (generic), Spring/Spring Framework (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 27, 2026Updated Sep 1, 2026Source checked Oct 11, 2026First seen by HOL Aug 27, 2026Material review Sep 1, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.5
Exploitation
Not marked as known exploited
Affected software
3 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Spring/Spring Framework (generic), Spring/Spring Framework (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Spring/Spring Frameworkgeneric7.0.0 || 6.2.0 || 6.1.0 || 6.0.0 || 5.3.0 || 0Not reported
Spring/Spring Frameworkgeneric>=7.0.0 <=7.0.8 || >=6.2.0 <=6.2.19 || >=6.1.0 <=6.1.28 || >=6.0.0 <=6.0.30 || >=5.3.0 <=5.3.49 || >=0 <=5.2.25.RELEASENot reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Spring/Spring Framework, Spring/Spring Framework.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Aug 27, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 1, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 27, 2026

Sources and claim methodology

  • Source referencespring.io
Upstream source description

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

Quoted source text, attributed separately from HOL analysis.

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  • thClaws through 0.141.0 Symlink Following File Write via POST /v1/inputsSame generic ecosystem

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-209
Source
CVE List V5
Source checked
Oct 11, 2026
References
1 linked source
Open source record