CVE-2025-4166 is a medium-severity vulnerability affecting HashiCorp Vault Community and Enterprise, as well as OpenBao, specifically within the Key/Value (kv) Version 2 plugin. It allows for the unintentional exposure of sensitive information in server and audit logs when users submit malformed payloads during secret creation or update operations via the Vault REST API. With a CVSS score of 6.5, this vulnerability has a network attack vector with low attack complexity, requiring user interaction but potentially leading to high confidentiality impact. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 0.3.0, < 1.16.20CPE matchmatch criteria | cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:* | ||
>= 0.3.0, < 1.19.3CPE matchmatch criteria | cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:* | ||
>= 1.17.0, < 1.17.16CPE matchmatch criteria | cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:* | ||
>= 1.18.0, < 1.18.9CPE matchmatch criteria | cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:* | ||
>= 1.19.0, < 1.19.3CPE matchmatch criteria | cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub 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.