tinyauth up to 5.1.2 incorrect regex

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00+

Summaryinfo

A vulnerability labeled as critical has been found in tinyauth up to 5.1.2. Impacted is an unknown function. Such manipulation leads to incorrect regex. This vulnerability is uniquely identified as CVE-2026-97736. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in tinyauth up to 5.1.2. It has been rated as critical. Affected by this issue is an unknown part. The manipulation with an unknown input leads to a incorrect regex vulnerability. Using CWE to declare the problem leads to CWE-185. The product specifies a regular expression in a way that causes data to be improperly matched or compared. Impacted is confidentiality, integrity, and availability. CVE summarizes:

tinyauth before 5.1.3 allows rule bypass by appending an allowed route string. This is caused by an unanchored regular expression.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-97736 since 09/25/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 5.1.3 eliminates this vulnerability.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.4
CNA Vector (MITRE): 🔒

CVSSv2info

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

Exploitinginfo

Class: Incorrect regex
CWE: CWE-185 / CWE-697
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
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 5.1.3

Timelineinfo

09/25/2026 Advisory disclosed
09/25/2026 +0 days CVE reserved
09/25/2026 +0 days VulDB entry created
09/25/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-97736 (🔒)
GCVE (CVE): GCVE-0-2026-97736
GCVE (VulDB): GCVE-100-409832

Entryinfo

Created: 09/25/2026 06:20
Changes: 09/25/2026 06:20 (62)
Complete: 🔍
Cache ID: 216::103

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