Vulnerability-Lookup

CVE-2026-47841 (GCVE-0-2026-47841)

Vulnerability from cvelistv5 – Published: 2026-08-26 17:08 – Updated: 2026-08-27 03:58

Title

WebAuthn User Verification Bypass via Session Serialization

Summary

An application using Spring Security's WebAuthn support may be vulnerable to user verification bypass when using a distributed HTTP session store. Spring Security 7.1.0 Spring Security 7.0.0 - 7.0.6 Spring Security 6.5.0 - 6.5.11 Spring Security 6.4.0 - 6.4.18

Severity

7.4 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-26 00:00 UTC

CWE

CWE-287 Improper Authentication

Assigner

vmware mitre root

References

1 reference

URL	Tags
https://spring.io/security/cve-2026-47841

Impacted products

1 product

Vendor	Product	Version	CPE status
Spring	Spring Security	Affected: 7.1.0 (custom) Affected: 7.0.0 , ≤ 7.0.6 (custom) Affected: 6.5.0 , ≤ 6.5.11 (custom) Affected: 6.4.0 , ≤ 6.4.18 (custom)	guessed

Show details on NVD website

JSON

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FKIE_CVE-2026-47841

Vulnerability from fkie_nvd - Published: 2026-08-26 18:16 - Updated: 2026-08-26 20:17

Severity

7.4 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Summary

References

	URL	Tags
	security@vmware.com	https://spring.io/security/cve-2026-47841

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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          "defaultStatus": "unaffected",
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          "vendor": "Spring",
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GHSA-326H-RH66-6GP9

Vulnerability from github – Published: 2026-08-26 18:31 – Updated: 2026-08-26 18:31

Details

Severity

7.4 (High)


                  
                    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-47841"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-26T18:16:33Z",
    "severity": "HIGH"
  },
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  "id": "GHSA-326h-rh66-6gp9",
  "modified": "2026-08-26T18:31:57Z",
  "published": "2026-08-26T18:31:57Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-47841"
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      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-47841 (GCVE-0-2026-47841)

FKIE_CVE-2026-47841

GHSA-326H-RH66-6GP9

Tags

Sightings

Nomenclature