CVE-2026-114099Coraza 3.0.0 before 3.8.1 WAF Bypass via JSON Key Collision
Updated under an hour ago ()
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It affects corazawaf coraza. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
Coraza from 3.0.0 before 3.8.1 has a JSON body processor that flattens nested properties into dot-separated ARGS_POST names without escaping literal dots, so distinct properties collide. Unauthenticated attackers can add a later dotted property such as account.role that overwrites a malicious nested value, hiding SQL injection payloads from OWASP CRS rules while backends still receive them.
- CVSS
- 5.8 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
- Weakness (CWE)
- CWE-20
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Received
- Record last updated
- Oct 21, 2026
- First seen by InfoSec Signals
- Oct 21, 2026
Affected products
corazawaf coraza corazawaf:coraza (from the name) | from 3.0.0 before 3.8.1; 3.8.1 not affected | CNA record |
References
- https://github.com/corazawaf/coraza/security/advisories/GHSA-5gj4-9gm7-2fx2vendor-advisory
- https://www.vulncheck.com/advisories/coraza-3.0.0-before-3.8.1-waf-bypass-via-json-key-collisionthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.