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SCA: security update for github.com/steveiliop56/tinyauth (GHSA-9q5m-jfc4-wc92)

high Tenable Cloud Security Plugin ID 439681

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - Tinyauth is an authentication and authorization server. Prior to version 5.0.5, all three OAuth service
 implementations (GenericOAuthService, GithubOAuthService, GoogleOAuthService) store PKCE verifiers and
 access tokens as mutable struct fields on singleton instances shared across all concurrent requests. When
 two users initiate OAuth login for the same provider concurrently, a race condition between VerifyCode()
 and Userinfo() causes one user to receive a session with the other user's identity. This issue has been
 patched in version 5.0.5. (CVE-2026-33544)

Solution

Update the github.com/steveiliop56/tinyauth library and its related packages to version 1.0.1-0.20260401140714-fc1d4f2082a5 or later.

See Also

https://github.com/advisories/GHSA-9q5m-jfc4-wc92

Plugin Details

Severity: High

ID: 439681

Version: Revision 1.8

Type: Local

Family: SCA Checks

Published: 4/2/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 6.8

Percentile: 96.94

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 6.6

Temporal Score: 5.2

Vector: CVSS2#AV:N/AC:H/Au:S/C:C/I:C/A:N

CVSS Score Source: CVE-2026-33544

CVSS v3

Risk Factor: High

Base Score: 7.7

Temporal Score: 6.9

Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/1/2026

Vulnerability Publication Date: 4/1/2026

Reference Information

CVE: CVE-2026-33544

cwe: CWE-362