# CVE-2023-26513: Apache Sling Resource Merger: Requests to certain paths managed by the Apache Sling Resource Merger can lead to DoS

- Exploited (CISA KEV): no
- Published: 2023-03-20
- CVSS: 7.5 HIGH (v3.1)
- EPSS: 1.5% (74th percentile)
- CWE: CWE-834

Excessive Iteration vulnerability in Apache Software Foundation Apache Sling Resource Merger.This issue affects Apache Sling Resource Merger: from 1.2.0 before 1.4.2.

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Before feed history | — | — |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | Before feed history | — | — |
| Fastly | Before feed history | — | — |
| F5 | Rule published | 2023-05-09 | 50 |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

### F5

- 2023-05-09 · new · rule 200012082
  > Added: signature 200012082 "Apache Sling Resource Merger DoS" (Denial of Service, risk Medium), systems: Apache. References: CVE-2023-26513.
  Source: https://docs.cloud.f5.com/docs-v2/platform/changelogs/security-details-changelog

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

HTML: https://cve.vigilbase.com/cve/CVE-2023-26513 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2023-26513