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CVE-2025-59048

27
FAUCET Score

CVE-2025-59048 describes a cross-account IAM role impersonation vulnerability in OpenBao's AWS Plugin prior to version 0.1.1. This flaw allows an IAM role from an untrusted AWS account to authenticate by impersonating a similarly named role in a trusted account, leading to unauthorized access. With a CVSS score of 8.1 (High), this vulnerability has a network attack vector and low attack complexity, potentially resulting in high confidentiality and integrity impacts. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.1.1CPE matchmatch criteria
cpe:2.3:a:openbao:aws_plugin:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.25%
Probability of exploitation in next 30 days
EPSS Percentile
16.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0025 is in the 4th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/openbao/openbao-pluginsFixed in: 0.1.1

Vendor Advisories (1)

goGHSA-jp7h-4f3c-9rc7high

OpenBao AWS Plugin Vulnerable to Cross-Account IAM Role Impersonation in AWS Auth Method

Oct 23, 2025

References

github.com / openbao/openbao-plugins/commit/2a77af36834746ca6d3ac9bd1049154c84b3efae
Patch
github.com / openbao/openbao-plugins/security/advisories/GHSA-jp7h-4f3c-9rc7
PatchVendor Advisory