CVE-2026-84185: Improper Verification of Cryptographic Signature in Red Hat Red Hat Ansible Automation Platform 2
Description
CVE-2026-84185 is a medium severity vulnerability in the jwcrypto library used by Red Hat Ansible Automation Platform 2. The flaw involves improper verification of cryptographic signatures in JSON Web Signatures (JWS) when multiple keys are used. Due to a coding error, the library may accept a signature from any valid key in the set rather than verifying the specific key ID (kid). This can allow an attacker with a valid key to bypass authorization checks that rely on the key ID to identify tenants or users.
CVSS v3.1
Score 5.9medium
Affected software
Red Hat
Red Hat Ansible Automation Platform 2
Red Hat
Red Hat Enterprise Linux 10
Red Hat
Red Hat Enterprise Linux 7
Red Hat
Red Hat Enterprise Linux 8
Red Hat
Red Hat Enterprise Linux 9
Red Hat
Red Hat OpenShift AI (RHOAI)
Red Hat
Red Hat OpenStack Platform 16.2
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in jwcrypto affects the verification process of General JSON Serialization JWS when multiple keys are provided. Instead of correctly matching the signature to the specific key ID (kid), the library may accept a signature from any valid key in the set. This flaw can lead to authorization bypass in applications that depend on the key ID for tenant or user identification. The issue is present in Red Hat Ansible Automation Platform 2, which uses this library for cryptographic operations.
Potential Impact
An attacker possessing any valid key in the key set can bypass authorization checks that rely on the key ID to distinguish between tenants or users. This could lead to unauthorized actions or access within affected applications. The confidentiality impact is low, integrity impact is high, and availability is not affected, as reflected by the CVSS vector.
Mitigation Recommendations
Patch status is not yet confirmed — check the Red Hat advisory at https://access.redhat.com/security/cve/CVE-2026-84185 for current remediation guidance. No specific patch or workaround information is provided in the available data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- redhat
- Date Reserved
- 2026-09-01T10:24:25.710Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://access.redhat.com/security/cve/CVE-2026-84185","vendor":"Red Hat"}]
Threat ID: 6a99de23acd9273b497230b1
Added to database: 09/03/2026, 20:52:51 UTC
Last enriched: 10/17/2026, 23:29:44 UTC
Last updated: 10/19/2026, 06:48:20 UTC
Views: 62
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