8.1

CVE-2025-11621: hashicorp vault

CVSS: 8.1v3.1HighAnalyzed
AliasesCGA-7wjm-jhfg-5j8vCGA-c9g7-4w9c-rc86GHSA-9g4h-h484-3578
Published 23-10-2025Last modified 26-02-2026

Vulnerability summary

CVE-2025-11621 is a high (CVSS 8.1) vulnerability in hashicorp vault. EPSS estimates a 0.49% chance of exploitation in the next 30 days, higher than 40.8% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.1/10
010
High · v3.1 (CVE.org)
EPSS score
0.49%
0%100%
Low · 0.00 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

Timeline

  1. 23-10-2025
    PublishedVulnerability first disclosed.
  2. 26-02-2026
    Last modifiedVulnerability information updated.

Description

Vault and Vault Enterprise’s (“Vault”) AWS Auth method may be susceptible to authentication bypass if the role of the configured bound_principal_iam is the same across AWS accounts, or uses a wildcard. This vulnerability, CVE-2025-11621, is fixed in Vault Community Edition 1.21.0 and Vault Enterprise 1.21.0, 1.20.5, 1.19.11, and 1.16.27

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.49%

Chance of exploitation in the next 30 days

Percentile

41%

Versus all other CVEs

30-day change

0.00 pp

From 0.49% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.49%

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

Chainguard8 products
  • splunk-otel-collector< 0.139.2-r0
  • splunk-otel-collector-fips< 0.139.2-r0
  • vault-1.16All versions (No fix recorded)
  • vault-1.17All versions (No fix recorded)
  • vault-1.18All versions (No fix recorded)
Hashicorp2 products
  • vault≥ 0.6.0, < 1.16.27 | ≥ 0.6.0, < 1.21.0 | ≥ 1.18.0, ≤ 1.18.15 | ≥ 1.19.0, < 1.19.11 | ≥ 1.20.0, < 1.20.5
  • vault enterprise≥ 0.6.0, < 1.21.0
Github.com/hashicorp1 product
  • vault≥ 0.6.0, < 1.21.0
Wolfi1 product
  • splunk-otel-collector< 0.139.2-r0

4 vendors · 12 products

References

6 links