CVE-2026-57576
plone.app.dexterity and plone.app.contenttypes have a Denial of Service due to excessive title or description length
Description
plone.app.dexterity is a content-type system for the Plone content management system, and plone.app.contenttypes provides Plone’s Dexterity-based content types. Plone.app.dexterity versions through 3.2.2, 4.0.0 through 4.1.2, and 5.0.0, and plone.app.contenttypes versions through 3.0.11, 4.0.0 through 4.0.9, and 5.0.0 are vulnerable to denial of service because an authenticated user can create content with excessively long titles, descriptions, or uploaded-file names, causing Plone to become unresponsive and potentially making the resulting content difficult to edit or delete. The vulnerability is patched in plone.app.dexterity versions 3.2.3, 4.1.3, and 5.0.1, and in plone.app.contenttypes versions 3.0.12, 4.0.10, and 5.0.1.
INFO
Published Date :
Sept. 22, 2026, 11:17 p.m.
Last Modified :
Sept. 22, 2026, 11:17 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-57576
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
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update plone.app.dexterity to version 3.2.3 or later.
- Update plone.app.dexterity to version 4.1.3 or later.
- Update plone.app.dexterity to version 5.0.1 or later.
- Update plone.app.contenttypes to patched versions.
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-2026-57576.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-57576 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-2026-57576
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-2026-57576 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-57576 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]
Sep. 22, 2026
Action Type Old Value New Value Added Description plone.app.dexterity is a content-type system for the Plone content management system, and plone.app.contenttypes provides Plone’s Dexterity-based content types. Plone.app.dexterity versions through 3.2.2, 4.0.0 through 4.1.2, and 5.0.0, and plone.app.contenttypes versions through 3.0.11, 4.0.0 through 4.0.9, and 5.0.0 are vulnerable to denial of service because an authenticated user can create content with excessively long titles, descriptions, or uploaded-file names, causing Plone to become unresponsive and potentially making the resulting content difficult to edit or delete. The vulnerability is patched in plone.app.dexterity versions 3.2.3, 4.1.3, and 5.0.1, and in plone.app.contenttypes versions 3.0.12, 4.0.10, and 5.0.1. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-400 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/57xxx/CVE-2026-57576.json">CVE-2026-57576</a> Added Reference https://github.com/plone/plone.app.contenttypes/commit/13dc98a578341aac24a1e65fd9bc7ac8a07d168a Added Reference https://github.com/plone/plone.app.contenttypes/commit/21bae6ebe424689eeac9a5884fc0da35f4944e63 Added Reference https://github.com/plone/plone.app.contenttypes/commit/639c0619f371df578e69ec94e5ca98e60fd6ed58 Added Reference https://github.com/plone/plone.app.contenttypes/commit/7bb03e8ec6c6bd0e645f445b0755e85a51afb158 Added Reference https://github.com/plone/plone.app.contenttypes/commit/bed1547d4f8b1fc995f2c76f30ba5f20276a8ad6 Added Reference https://github.com/plone/plone.app.contenttypes/security/advisories/GHSA-8pcw-h6w9-h46g Added Reference https://github.com/plone/plone.app.dexterity/commit/0d317df663823445200d0569a66a95b7e4a9c50d Added Reference https://github.com/plone/plone.app.dexterity/commit/2fdceb120ca86682a408f3a14753cfcf5126d9d9 Added Reference https://github.com/plone/plone.app.dexterity/commit/411689047f9a3521899ae6992a9b0efbd0592a8f Added Reference https://github.com/plone/plone.app.dexterity/commit/cbcef731c0882146b9bf30688cdc639d879878fb Added Reference https://github.com/plone/plone.app.dexterity/commit/f3596538cf7670bb8bc27b0dfa0b1da41c8b8a3a Added Reference https://github.com/plone/plone.app.dexterity/commit/fb45bfdb18f1dfb3ed55e477947a3df9a6ee9e20 Added Reference https://github.com/plone/plone.app.dexterity/security/advisories/GHSA-5426-92w4-wvhv