CVE-2026-23768
Lucy XSS Filter Server-Side Request Forgery
Description
lucy-xss-filter before commit 7c1de6d allows an attacker to induce server-side HEAD requests to arbitrary URLs when the ObjectSecurityListener or EmbedSecurityListener option is enabled and embed or object tags are used with a src attribute missing a file extension.
INFO
Published Date :
Jan. 16, 2026, 6:15 a.m.
Last Modified :
Jan. 16, 2026, 6:15 a.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-23768
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
- Update lucy-xss-filter to the latest version.
- Ensure object/embed src attributes have valid file extensions.
- Disable ObjectSecurityListener if not strictly required.
- Disable EmbedSecurityListener if not strictly required.
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-2026-23768.
| URL | Resource |
|---|---|
| https://cve.naver.com/detail/cve-2026-23768.html | |
| https://github.com/naver/lucy-xss-filter/pull/31 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-23768 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-2026-23768
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-2026-23768 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-23768 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]
Jan. 16, 2026
Action Type Old Value New Value Added Tag unsupported-when-assigned Added Description lucy-xss-filter before commit 7c1de6d allows an attacker to induce server-side HEAD requests to arbitrary URLs when the ObjectSecurityListener or EmbedSecurityListener option is enabled and embed or object tags are used with a src attribute missing a file extension. Added CWE CWE-918 Added Reference https://cve.naver.com/detail/cve-2026-23768.html Added Reference https://github.com/naver/lucy-xss-filter/pull/31