VulnSocial

CVE-2026-41164General

LOWCVSS 4.4 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

nuts-node is the reference implementation of the Nuts specification. Prior to 6.2.3 and 5.4.31, the v1 access token introspection endpoint (/auth/v1/introspect_access_token) accepts any JWT signed by a key present on the node, without validating the JWT type, issuer-to-key binding, or required claims. This allows a Verifiable Presentation (VP) JWT to be replayed as an access token and receive an active: true introspection response. This vulnerability is fixed in 6.2.3 and 5.4.31.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-345

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • General: 1 classified signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-05-26: 1Technical Details · 2026-05-26: 105-26
Signal classification1 categories
General
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • CVE@CVEnew
    General

    CVE-2026-41164 nuts-node is the reference implementation of the Nuts specification. Prior to 6.2.3 and 5.4.31, the v1 access token introspection endpoint (/auth/v1/introspect_access… https://www.cve.org/CVERecord?id=CVE-2026-41164

    Post summary

    The statement highlights that CVE‑2026‑41164 impacts the Nuts specification’s reference implementation before specific versions, affecting the v1 access token introspection endpoint, but no PoC, exploit, patch, or active exploitation is mentioned.

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