0.0
NA
CVE-2026-103864
Apache Sling Engine: Request-derived values reach log sinks without CR/LF neutralization
Description

Improper output neutralization for logs in Apache Sling Engine. This issue affects Apache Sling Engine: before 3.0.4. Users are recommended to upgrade to version 3.0.4, which fixes the issue.

INFO

Published Date :

Nov. 5, 2026, 1:17 p.m.

Last Modified :

Nov. 5, 2026, 1:17 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-103864 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

Solution
Upgrade Apache Sling Engine to version 3.0.4 or later to address improper output neutralization in logs.
  • Upgrade Apache Sling Engine to version 3.0.4.
  • Apply patches if available for older versions.
  • Review log output for sensitive information.
  • Implement stricter input validation.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-103864.

URL Resource
https://lists.apache.org/thread.html/bchcm9xhz5zdqwykrdo4kw21j8gz6q55
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-103864 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-103864 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-103864 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-103864 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Nov. 05, 2026

    Action Type Old Value New Value
    Added Description Improper output neutralization for logs in Apache Sling Engine. This issue affects Apache Sling Engine: before 3.0.4. Users are recommended to upgrade to version 3.0.4, which fixes the issue.
    Added CWE CWE-117
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/103xxx/CVE-2026-103864.json">CVE-2026-103864</a>
    Added Reference https://lists.apache.org/thread.html/bchcm9xhz5zdqwykrdo4kw21j8gz6q55
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.