# Cloudflare Pingora vulnerabilities

Source: https://junglewise.ai/threats/technologies/pingora  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/pingora.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in Cloudflare Pingora: 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-105299, was published on 20 October 2026. 3 vulnerabilities in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 3
- Last 90 days: 3
- All time: 3 (0 critical, 0 exploited in the wild)

## About Cloudflare Pingora

Reverse proxy and load balancing software built for high performance and extensibility.

## Latest Cloudflare Pingora vulnerabilities

- [CVE-2026-105299: Cloudflare Pingora HTTP/1 Connection header bypass](https://junglewise.ai/threats/cve-2026-105299-summary-before-version-0-9-0-the-http-1-upstream-path-in-pingora) (high, CVSS 8.7, published 20 Oct 2026)
- [CVE-2026-105298: Pingora HTTP/2 host mismatch and cache poisoning](https://junglewise.ai/threats/cve-2026-105298-summary-before-version-0-9-0-pingora-accepted-http-2-requests) (medium, CVSS 4, published 20 Oct 2026)
- [CVE-2026-105297: Pingora HTTP/2 server memory exhaustion via header injection](https://junglewise.ai/threats/cve-2026-105297-summary-before-version-0-8-1-pingora-s-http-2-server-used-the-h2) (high, CVSS 7.5, published 20 Oct 2026)

## Most severe Cloudflare Pingora vulnerabilities

- [CVE-2026-105299: Cloudflare Pingora HTTP/1 Connection header bypass](https://junglewise.ai/threats/cve-2026-105299-summary-before-version-0-9-0-the-http-1-upstream-path-in-pingora) (high, CVSS 8.7, published 20 Oct 2026)
- [CVE-2026-105297: Pingora HTTP/2 server memory exhaustion via header injection](https://junglewise.ai/threats/cve-2026-105297-summary-before-version-0-8-1-pingora-s-http-2-server-used-the-h2) (high, CVSS 7.5, published 20 Oct 2026)
- [CVE-2026-105298: Pingora HTTP/2 host mismatch and cache poisoning](https://junglewise.ai/threats/cve-2026-105298-summary-before-version-0-9-0-pingora-accepted-http-2-requests) (medium, CVSS 4, published 20 Oct 2026)

## Vulnerabilities per week

3 vulnerabilities in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 3 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Cloudflare technologies

- [Cloudflare workers-oauth-provider](https://junglewise.ai/threats/technologies/workers-oauth-provider): 4 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Cloudflare Pingora vulnerabilities", https://junglewise.ai/threats/technologies/pingora, 9 November 2026.