CVE-2026-4525
April 17, 2026, 3:08 p.m.
7.5
High
Description
If a Vault auth mount is configured to pass through the "Authorization" header, and the "Authorization" header is used to authenticate to Vault, Vault forwarded the Vault token to the auth plugin backend. Fixed in 2.0.0, 1.21.5, 1.20.10, and 1.19.16.
Product(s) Impacted
| Vendor | Product | Versions |
|---|---|---|
| Hashicorp |
|
|
Weaknesses
Common security weaknesses mapped to this vulnerability.
CWE-201
Insertion of Sensitive Information Into Sent Data
The code transmits data to another actor, but a portion of the data includes sensitive information that should not be accessible to that actor.
*CPE(s)
Affected systems and software identified for this CVE.
| Type | Vendor | Product | Version | Update | Edition | Language | Software Edition | Target Software | Target Hardware | Other Information |
|---|---|---|---|---|---|---|---|---|---|---|
| a | hashicorp | vault | 2.0.0 | / | / | / | / | / | / | / |
| a | hashicorp | vault | 1.21.5 | / | / | / | / | / | / | / |
| a | hashicorp | vault | 1.20.10 | / | / | / | / | / | / | / |
| a | hashicorp | vault | 1.19.16 | / | / | / | / | / | / | / |
Tags
CVSS Score
CVSS Data - 3.1
- Attack Vector: NETWORK
- Attack Complexity: HIGH
- Privileges Required: LOW
- Scope: UNCHANGED
- Confidentiality Impact: HIGH
- Integrity Impact: HIGH
- Availability Impact: HIGH
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Timeline
Published: April 17, 2026, 4:16 a.m.
Last Modified: April 17, 2026, 3:08 p.m.
Last Modified: April 17, 2026, 3:08 p.m.
Status : Awaiting Analysis
CVE has been recently published to the CVE List and has been received by the NVD.
More infoSource
*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.