7.5

CVE-2026-5807: hashicorp vault

CVSS: 7.5v3.1HighModified
AliasesCGA-f9r7-rrrr-mgffCGA-pgfw-f8vr-8cphCGA-xqr6-84q3-ccjj
Published 17-04-2026Last modified 15-07-2026
Open JSON

Vulnerability summary

CVE-2026-5807 is a high (CVSS 7.5) vulnerability in hashicorp vault. EPSS estimates a 0.91% chance of exploitation in the next 30 days, higher than 59.4% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.91%
0%100%
Low · +0.19 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 3
OPENSUSE-SU-2026:10594-1OPENSUSE-SU-2026:21483-1CGA-JM6M-5FW9-F2FC

Timeline

  1. 17-04-2026
    PublishedVulnerability first disclosed.
  2. 15-07-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.91%

Chance of exploitation in the next 30 days

Percentile

59%

Versus all other CVEs

30-day change

+0.19 pp

From 0.72% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.91%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard13 products
  • splunk-otel-collector< 0.157.0-r0
  • splunk-otel-collector-compat< 0.160.0-r0
  • splunk-otel-collector-fips< 0.157.0-r0
  • vault-1.16All versions (No fix recorded)
  • vault-1.17All versions (No fix recorded)
Hashicorp2 products
Wolfi2 products
  • splunk-otel-collector< 0.157.0-r0
  • splunk-otel-collector-compat< 0.160.0-r0
Github.com/hashicorp1 product
  • vault≤ 1.21.4 | All versions (No fix recorded)

4 vendors · 18 products

References

8 links