New API has Potential XSS in its MarkdownRenderer component
Priority HIGH 66CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · High · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
New API is a large language mode (LLM) gateway and artificial intelligence (AI) asset management system. Prior to version 0.10.8-alpha.9, a potential unsafe operation occurs in component `MarkdownRenderer.jsx`, allowing for Cross-Site Scripting(XSS) when the model outputs items containing `<script>` tag. Version 0.10.8-alpha.9 fixes the issue.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00256 17th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed new-api (QuantumNous): 0.10.8-alpha.9github.com/QuantumNous/new-api (Go): 0.10.8-alpha.9
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 |
|---|---|---|---|---|---|
| QuantumNous | new-api | before 0.10.8-alpha.9 | 0.10.8-alpha.9 | Patch available | CNA |
| — | github.com/QuantumNous/new-api (Go) | before 0.10.8-alpha.9 | 0.10.8-alpha.9 | Patch available | GHSA-299v-8pq9-5gjq |
- new-api VendorQuantumNous Affected before 0.10.8-alpha.9 Fixed in 0.10.8-alpha.9 Patch available CNA
- github.com/QuantumNous/new-api (Go) Vendor— Affected before 0.10.8-alpha.9 Fixed in 0.10.8-alpha.9 Patch available GHSA-299v-8pq9-5gjq
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:newapi:new_api:*:*:*:*:*:*:*:* | before 0.10.8 | Vulnerable | QuantumNous |
| cpe:2.3:a:newapi:new_api:0.10.8:alpha1:*:*:*:*:*:* | 0.10.8 alpha1 | Vulnerable | QuantumNous |
| cpe:2.3:a:newapi:new_api:0.10.8:alpha2:*:*:*:*:*:* | 0.10.8 alpha2 | Vulnerable | QuantumNous |
| cpe:2.3:a:newapi:new_api:0.10.8:alpha3:*:*:*:*:*:* | 0.10.8 alpha3 | Vulnerable | QuantumNous |
| cpe:2.3:a:newapi:new_api:0.10.8:alpha4:*:*:*:*:*:* | 0.10.8 alpha4 | Vulnerable | QuantumNous |
| cpe:2.3:a:newapi:new_api:0.10.8:alpha5:*:*:*:*:*:* | 0.10.8 alpha5 | Vulnerable | QuantumNous |
| cpe:2.3:a:newapi:new_api:0.10.8:alpha6:*:*:*:*:*:* | 0.10.8 alpha6 | Vulnerable | QuantumNous |
| cpe:2.3:a:newapi:new_api:0.10.8:alpha7:*:*:*:*:*:* | 0.10.8 alpha7 | Vulnerable | QuantumNous |
| cpe:2.3:a:newapi:new_api:0.10.8:alpha8:*:*:*:*:*:* | 0.10.8 alpha8 | Vulnerable | QuantumNous |
- cpe:2.3:a:newapi:new_api:*:*:*:*:*:*:*:* Versions before 0.10.8 Vulnerable ·QuantumNous
- cpe:2.3:a:newapi:new_api:0.10.8:alpha1:*:*:*:*:*:* Versions 0.10.8 alpha1 Vulnerable ·QuantumNous
- cpe:2.3:a:newapi:new_api:0.10.8:alpha2:*:*:*:*:*:* Versions 0.10.8 alpha2 Vulnerable ·QuantumNous
- cpe:2.3:a:newapi:new_api:0.10.8:alpha3:*:*:*:*:*:* Versions 0.10.8 alpha3 Vulnerable ·QuantumNous
- cpe:2.3:a:newapi:new_api:0.10.8:alpha4:*:*:*:*:*:* Versions 0.10.8 alpha4 Vulnerable ·QuantumNous
- cpe:2.3:a:newapi:new_api:0.10.8:alpha5:*:*:*:*:*:* Versions 0.10.8 alpha5 Vulnerable ·QuantumNous
- cpe:2.3:a:newapi:new_api:0.10.8:alpha6:*:*:*:*:*:* Versions 0.10.8 alpha6 Vulnerable ·QuantumNous
- cpe:2.3:a:newapi:new_api:0.10.8:alpha7:*:*:*:*:*:* Versions 0.10.8 alpha7 Vulnerable ·QuantumNous
- cpe:2.3:a:newapi:new_api:0.10.8:alpha8:*:*:*:*:*:* Versions 0.10.8 alpha8 Vulnerable ·QuantumNous
Remediation
- Fix · CNA new-api (QuantumNous) Fixed in 0.10.8-alpha.9
- Fix · GHSA-299v-8pq9-5gjq github.com/QuantumNous/new-api (Go) Fixed in 0.10.8-alpha.9 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-25802
- 2026-10-03 Alias added: GHSA-299v-8pq9-5gjq
References
More QuantumNous New Api vulnerabilities
- TI-2025-35042 QuantumNous new-api v.0.8.5.2 is vulnerable to Cross Site Scripting (XSS). CVSS 3.1HIGH 8.8
- TI-2026-30643 New API: SSRF Filter Bypass via 0.0.0.0 CVSS 4.0HIGH 7.1
- TI-2026-30031 New API: Stripe Webhook Signature Bypass via Empty Secret Enables Unlimited Quota Fraud CVSS 3.1HIGH 8.2
- TI-2026-20698 New API has an SQL LIKE Wildcard Injection DoS via Token Search CVSS 4.0HIGH 7.1
- TI-2026-23715 New API: IDOR in VideoProxy allows cross-user video content access via missing ownership check CVSS 3.1MEDIUM 6.5
- TI-2026-26035 New API: SSRF Protection Bypass via Unresolved Hostname in Notification URLs CVSS 3.1HIGH 7.7
Sources
- CVE-2026-25802 · CVE Program
- CVE-2026-25802 · NVD
- FIRST EPSS
- GHSA-299v-8pq9-5gjq · GitHub Advisory Database · CC BY 4.0
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