better-auth better-icons scan_project_icons/sync_icon path traversal
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
A vulnerability has been found in better-auth better-icons up to 1.0.5. This vulnerability affects unknown code of the component scan_project_icons/sync_icon. Such manipulation of the argument icons_file leads to path traversal. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- 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 |
|---|---|---|---|---|---|
| better-auth | better-icons | 1.0.0; 1.0.1; 1.0.2; 1.0.3; 1.0.4; 1.0.5 | — | No fix listed | CNA |
- better-icons Vendorbetter-auth Affected 1.0.0; 1.0.1; 1.0.2; 1.0.3; 1.0.4; 1.0.5 Fixed in — No fix listed CNA
CPE names CNA · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:better-auth:better-icons:*:*:*:*:*:*:*:* | — | — | better-auth |
- cpe:2.3:a:better-auth:better-icons:*:*:*:*:*:*:*:* Versions — — ·better-auth
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-15527
- 2026-10-03 Alias added: GHSA-2gq8-477v-cpgh
References
More better-auth vulnerabilities
- TI-2025-38277 Better Auth: Unauthenticated API key creation through api-key plugin CVSS 4.0CRITICAL 9.3
- TI-2026-47627 better-auth SCIM 1.5.0 before 1.7.0-beta.4 Authorization Bypass CVSS 4.0HIGH 8.7
- TI-2025-20000 Beter Auth has an Open Redirect via Scheme-Less Callback Parameter CVSS 4.0MEDIUM 6.9
- TI-2026-79320 OAuth state accepted as Magic Link token in Better Auth CVSS 3.1CRITICAL 9.1
- TI-2026-74552 Authentication bypass in Better Auth Magic Link verification CVSS 4.0CRITICAL 9.3
- TI-2026-84923 Unchecked state signing in @better-auth/expo enables account takeover CVSS 3.1CRITICAL 9.1
Sources
- CVE-2026-15527 · CVE Program
- CVE-2026-15527 · NVD
- FIRST EPSS
- GHSA-2gq8-477v-cpgh · 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