Answer in brief
CVE-2026-57576 records a Medium severity (CVSS 6.5) vulnerability in plone.app.dexterity and plone.app.contenttypes have a Denial of Service due to excessive title or description length. The current sources do not mark it as known exploited. The current feed maps plone/plone.app.contenttypes (generic), plone/plone.app.dexterity (generic), plone.app.dexterity (pip), plone.app.dexterity (pip) and additional mapped packages. Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 6.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps plone/plone.app.contenttypes (generic), plone/plone.app.dexterity (generic), plone.app.dexterity (pip), plone.app.dexterity (pip) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| plone/plone.app.contenttypesgeneric | = 5.0.0 || >=4.0.0 <4.0.10 || <3.0.12 | 3.0.12, 4.0.10 |
| plone/plone.app.dexteritygeneric | = 5.0.0 || >=4.0.0 <4.1.3 || <3.2.3 | 3.2.3, 4.1.3 |
| plone.app.dexteritypip | =5.0.0 | 5.0.1 |
| plone.app.dexteritypip | >=4.0.0,<=4.1.2 | 4.1.3 |
| plone.app.dexteritypip | <=3.2.2 | 3.2.3 |
Published upstream
Sep 22, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 23, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 22, 2026
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.
Quoted source text, attributed separately from HOL analysis.