LaChatterie Verger provider.ts redirectToAuthorization deserialization
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-502.
Summary
A vulnerability was found in LaChatterie Verger up to 1.2.10. This impacts the function redirectToAuthorization of the file /src/main/services/mcp/oauth/provider.ts. The manipulation of the argument URL results in deserialization. The attack can be executed remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Why it matters now
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 |
|---|---|---|---|---|---|
| LaChatterie | Verger | 1.2.0; 1.2.1; 1.2.2; 1.2.3; 1.2.4; 1.2.5; 1.2.6; 1.2.7; 1.2.8; 1.2.9; 1.2.10 | — | No fix listed | CNA |
- Verger VendorLaChatterie Affected 1.2.0; 1.2.1; 1.2.2; 1.2.3; 1.2.4; 1.2.5; 1.2.6; 1.2.7; 1.2.8; 1.2.9; 1.2.10 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-11273
- 2026-10-03 Alias added: GHSA-hw65-fjrm-3v2f
References
Sources
- CVE-2025-11273 · CVE Program
- CVE-2025-11273 · NVD
- FIRST EPSS
- GHSA-hw65-fjrm-3v2f · GitHub Advisory Database · CC BY 4.0
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