Is CVE-2026-5807 actively exploited?

No active exploitation of CVE-2026-5807 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-5807 be exploited remotely?

Yes. CVE-2026-5807 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-5807?

CVE-2026-5807 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2026-5807

CWE-770Published: April 17, 2026· Updated: Apr 17, 2026

7.5

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:2.6th

Official Description

Vault is vulnerable to a denial-of-service condition where an unauthenticated attacker can repeatedly initiate or cancel root token generation or rekey operations, occupying the single in-progress operation slot. This prevents legitimate operators from completing these workflows. This vulnerability, CVE-2026-5807, is fixed in Vault Community Edition 2.0.0 and Vault Enterprise 2.0.0.

NVD Source

Technical Analysis

CVE-2026-5807 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.