4.5

CVE-2025-52893: openbao

CVSS: 4.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2025-52893GHSA-8f5r-8cmq-7fmqBIT-openbao-2025-52893
Published 25-06-2025Last modified 25-06-2025
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Vulnerability summary

CVE-2025-52893 is a medium (CVSS 4.5) vulnerability in openbao. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 24.2% of scored vulnerabilities.

Overall risk
18/100
0100
Low · default modelHow is this calculated?
CVSS score
4.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.33%
0%100%
Low · +0.02 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 2
OPENSUSE-SU-2025:15254-1OPENSUSE-SU-2025:15405-1

Timeline

  1. 25-06-2025
    PublishedVulnerability first disclosed.
  2. 25-06-2025
    Last modifiedVulnerability information updated.

Description

OpenBao exists to provide a software solution to manage, store, and distribute sensitive data including secrets, certificates, and keys. OpenBao before v2.3.0 may leak sensitive information in logs when processing malformed data. This is separate from the earlier HCSEC-2025-09 / CVE-2025-4166. This issue has been fixed in OpenBao v2.3.0 and later. Like with HCSEC-2025-09, there is no known workaround except to ensure properly formatted requests from all clients.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.33%

Chance of exploitation in the next 30 days

Percentile

24%

Versus all other CVEs

30-day change

+0.02 pp

From 0.30% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.33%

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

Github.com/openbao/openbao1 product
  • sdkAll versions (No fix recorded)
Github.com/openbao/openbao/sdk1 product
  • v2< 2.3.0
Openbao1 product
Ubuntu1 product
  • golang-github-go-viper-mapstructureAll versions (No fix recorded)

4 vendors · 4 products

References

9 links