# OWASP Coraza WAF vulnerabilities

Source: https://junglewise.ai/threats/technologies/owasp-coraza-waf  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/owasp-coraza-waf.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in OWASP Coraza WAF: 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-2026-107835, was published on 9 October 2026. Nothing in the last four weeks, down from 3 vulnerabilities in the four before.

## Counts

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

## About OWASP Coraza WAF

Open-source web application firewall implementing OWASP ModSecurity rules.

## Latest OWASP Coraza WAF vulnerabilities

- [CVE-2026-107835: OWASP Coraza WAF cookie parsing bypass](https://junglewise.ai/threats/cve-2026-107835-coraza-has-cookie-parser-confusion) (medium, CVSS 4, published 9 Oct 2026)
- [CVE-2026-107834: OWASP Coraza WAF resource exhaustion in multipart processing](https://junglewise.ai/threats/cve-2026-107834-coraza-resource-exhaustion-via-deferred-file-handle-accumulation) (medium, CVSS 5.3, published 9 Oct 2026)
- [CVE-2026-107826: OWASP Coraza WAF stack overflow in JSON body processor](https://junglewise.ai/threats/cve-2026-107826-coraza-json-body-processor-argument-limit-truncation-reopens-an) (high, CVSS 7.5, published 9 Oct 2026)

## Most severe OWASP Coraza WAF vulnerabilities

- [CVE-2026-107826: OWASP Coraza WAF stack overflow in JSON body processor](https://junglewise.ai/threats/cve-2026-107826-coraza-json-body-processor-argument-limit-truncation-reopens-an) (high, CVSS 7.5, published 9 Oct 2026)
- [CVE-2026-107834: OWASP Coraza WAF resource exhaustion in multipart processing](https://junglewise.ai/threats/cve-2026-107834-coraza-resource-exhaustion-via-deferred-file-handle-accumulation) (medium, CVSS 5.3, published 9 Oct 2026)
- [CVE-2026-107835: OWASP Coraza WAF cookie parsing bypass](https://junglewise.ai/threats/cve-2026-107835-coraza-has-cookie-parser-confusion) (medium, CVSS 4, published 9 Oct 2026)

## Vulnerabilities per week

Nothing in the last four weeks, down from 3 vulnerabilities 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 | 3 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other OWASP technologies

- [OWASP Modsecurity](https://junglewise.ai/threats/technologies/modsecurity): 9 vulnerabilities
- [OWASP Core Rule Set](https://junglewise.ai/threats/technologies/core-rule-set): 3 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, "OWASP Coraza WAF vulnerabilities", https://junglewise.ai/threats/technologies/owasp-coraza-waf, 13 November 2026.