What is CVE-2023-26513?

CVE-2023-26513 is a high-severity vulnerability in Apache Sling Resource Merger, classified under Excessive Iteration. CVSS score: 7.5/10. Published 2023-03-20.

How severe is CVE-2023-26513?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Apache Sling Resource Merger

CVE-2023-26513

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.

Published 2023-03-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.015 (73.2th percentile), scored 2026-10-19.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Apache Sling Resource Merger
Apache Software Foundation Sling Resource Merger — versions 1.2.0

Weakness classification (CWE)

CWE-834 — Excessive Iteration

References

lists.apache.org/thread/xpcpo1y88ldss5hgmvogsf6h3735l5zb (vendor-advisory, Mailing List, Vendor Advisory)

Frequently asked questions

What is CVE-2023-26513?: CVE-2023-26513 is a high-severity vulnerability in Apache Sling Resource Merger, classified under Excessive Iteration. CVSS score: 7.5/10. Published 2023-03-20.
How severe is CVE-2023-26513?: High severity. CVSS v3 base score is 7.5 out of 10.