tinyauth before 5.1.3 allows rule bypass by appending an allowed route string.
Priority LOW 24CWE-777Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
tinyauth before 5.1.3 allows rule bypass by appending an allowed route string. This is caused by an unanchored regular expression.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00208 10th percentileScored 2026-11-07
Fix Fixed tinyauth (tinyauth): 5.1.3
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| steveiliop56 | tinyauth | before 5.1.3 | 5.1.3 | Patch available | CNA |
- tinyauth Vendorsteveiliop56 Affected before 5.1.3 Fixed in 5.1.3 Patch available CNA
Remediation
- Fix · CNA tinyauth (tinyauth) Fixed in 5.1.3
Timeline
- 2026-10-02 Threatist record created from CVE-2026-97736
- 2026-10-03 Alias added: GHSA-rp6g-vgfj-26cr
More steveiliop56 vulnerabilities
- TI-2026-24775 Tinyauth vulnerable to TOTP/2FA bypass via OIDC authorize endpoint CVSS 3.1HIGH 8.5
- TI-2026-25937 Tinyauth has OAuth account confusion via shared mutable state on singleton service instances CVSS 3.1HIGH 7.7
- TI-2026-24774 Tinyauth's OIDC authorization codes are not bound to client on token exchange CVSS 3.1MEDIUM 6.5
Sources
- CVE-2026-97736 · CVE Program
- CVE-2026-97736 · NVD
- FIRST EPSS
- GHSA-rp6g-vgfj-26cr · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences