YARP Denial of Service Vulnerability
Priority MEDIUM 45Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from Microsoft.
Summary
YARP Denial of Service Vulnerability
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.03511 89th percentileScored 2026-11-07
Fix Fixed YARP 1.0 (Microsoft): 1.0.1YARP 1.1RC (Microsoft): 1.1.0-rc.1.22211.2+1 more product
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- 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 |
|---|---|---|---|---|---|
| Microsoft | YARP 1.0 | 1.0.0 to before 1.0.1 | 1.0.1 | Patch available | CNA |
| Microsoft | YARP 1.1RC | 1.1.0 to before 1.1.0-rc.1.22211.2 | 1.1.0-rc.1.22211.2 | Patch available | CNA |
| — | Yarp.ReverseProxy (NuGet) | before 1.0.1 | 1.0.1 | Patch available | GHSA-8xc6-g8xw-h2c4 |
| — | Yarp.ReverseProxy (NuGet) | 1.1.0-rc.1.22152.1 to before 1.1.0-rc.1.22211.2 | 1.1.0-rc.1.22211.2 | Patch available | GHSA-8xc6-g8xw-h2c4 |
- YARP 1.0 VendorMicrosoft Affected 1.0.0 to before 1.0.1 Fixed in 1.0.1 Patch available CNA
- YARP 1.1RC VendorMicrosoft Affected 1.1.0 to before 1.1.0-rc.1.22211.2 Fixed in 1.1.0-rc.1.22211.2 Patch available CNA
- Yarp.ReverseProxy (NuGet) Vendor— Affected before 1.0.1 Fixed in 1.0.1 Patch available GHSA-8xc6-g8xw-h2c4
- Yarp.ReverseProxy (NuGet) Vendor— Affected 1.1.0-rc.1.22152.1 to before 1.1.0-rc.1.22211.2 Fixed in 1.1.0-rc.1.22211.2 Patch available GHSA-8xc6-g8xw-h2c4
Remediation
- Fix · CNA YARP 1.0 (Microsoft) Fixed in 1.0.1
- Fix · CNA YARP 1.1RC (Microsoft) Fixed in 1.1.0-rc.1.22211.2
- Fix · GHSA-8xc6-g8xw-h2c4 Yarp.ReverseProxy (NuGet) Fixed in 1.0.1 Advisory →
- Fix · GHSA-8xc6-g8xw-h2c4 Yarp.ReverseProxy (NuGet) Fixed in 1.1.0-rc.1.22211.2 Advisory →
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Denial of Service
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- Exploitation Less Likely
| Product | Status | Plan or fix |
|---|---|---|
| YARP 1.0 | Fixed | 1.0.1 · Security Update |
| YARP 1.1RC | Fixed | 1.1.0-rc.1.22211.2 · Security Update |
Timeline
- 2026-10-02 Threatist record created from CVE-2022-26924
- 2026-10-03 Alias added: GHSA-8xc6-g8xw-h2c4
References
Other 4
More Microsoft Yet Another Reverse Proxy vulnerabilities
- TI-2023-16319 Yet Another Reverse Proxy (YARP) Denial of Service Vulnerability CVSS 3.1HIGH 7.5
Sources
- CVE-2022-26924 · CVE Program
- CVE-2022-26924 · NVD
- FIRST EPSS
- GHSA-8xc6-g8xw-h2c4 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-26924 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences