High severity7.5NVD Advisory· Published Apr 17, 2026· Updated Jul 15, 2026
CVE-2026-5807
CVE-2026-5807
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/hashicorp/vaultGo | <= 1.21.4 | — |
Affected products
11- osv-coords9 versionspkg:apk/chainguard/splunk-otel-collectorpkg:apk/chainguard/splunk-otel-collector-fipspkg:apk/chainguard/vault-2.0pkg:apk/chainguard/vault-fips-2.0pkg:apk/wolfi/splunk-otel-collectorpkg:bitnami/vaultpkg:golang/github.com/hashicorp/vaultpkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/openbao&distro=openSUSE%20Tumbleweed
< 0.157.0-r0+ 8 more
- (no CPE)range: < 0.157.0-r0
- (no CPE)range: < 0.157.0-r0
- (no CPE)range: < 2.0.3-r1
- (no CPE)range: < 2.0.3-r1
- (no CPE)range: < 0.157.0-r0
- (no CPE)range: >= 0.10.0, < 2.0.0
- (no CPE)range: <= 1.21.4
- (no CPE)range: < 0.0.20260723T184607-160000.1.1
- (no CPE)range: < 2.5.3-1.1
Patches
Vulnerability mechanics
References
6- discuss.hashicorp.com/t/hcsec-2026-08-vault-vulnerable-to-denial-of-service-via-unauthenticated-root-token-generation-rekey-operations/77345nvdVendor AdvisoryWEB
- github.com/advisories/GHSA-88v5-9hxc-f85rghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-5807ghsaADVISORY
- access.redhat.com/security/cve/CVE-2026-5807nvdWEB
- bugzilla.redhat.com/show_bug.cginvdWEB
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5807.jsonnvdWEB
News mentions
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