steveiliop56 tinyauth up to 5.0.2 OIDC Authorization Endpoint improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in steveiliop56 tinyauth up to 5.0.2. This vulnerability affects unknown code of the component OIDC Authorization Endpoint. The manipulation leads to improper authentication. This vulnerability is documented as CVE-2026-32246. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in steveiliop56 tinyauth up to 5.0.2 and classified as critical. This issue affects an unknown functionality of the component OIDC Authorization Endpoint. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Tinyauth is an authentication and authorization server. Prior to 5.0.3, the OIDC authorization endpoint allows users with a TOTP-pending session (password verified, TOTP not yet completed) to obtain authorization codes. An attacker who knows a user's password but not their TOTP secret can obtain valid OIDC tokens, completely bypassing the second factor. This vulnerability is fixed in 5.0.3.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-32246 since 03/11/2026. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 5.0.3 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.1
NVD Vector: 🔒

CNA Base Score: 8.5
CNA Vector (GitHub_M): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: tinyauth 5.0.3

Timelineinfo

03/11/2026 CVE reserved
03/12/2026 +1 days Advisory disclosed
03/12/2026 +0 days VulDB entry created
03/20/2026 +8 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-3q28-qjrv-qr39
Status: Confirmed

CVE: CVE-2026-32246 (🔒)
GCVE (CVE): GCVE-0-2026-32246
GCVE (VulDB): GCVE-100-350771

Entryinfo

Created: 03/12/2026 21:55
Updated: 03/20/2026 01:37
Changes: 03/12/2026 21:55 (65), 03/20/2026 01:37 (11)
Complete: 🔍
Cache ID: 216::103

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