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.
CVE-2026-57576
“—” beside the score: it is equal to the CVSS score beside it.
Score 6.5 from GitHub Security Advisory (severity: MODERATE) published 2026-09-23. A secondary CVSS source baseline 6.5; sources differ by 0.0.
Also known asEUVD-2026-84980 (ENISA EUVD) · GHSA-5426-92w4-wvhv (GitHub Security Advisories) · PYSEC-2026-4137 (OSV.dev)Source: ENISA EUVD
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 6.5
- EG Score
- 6.5MEDIUMmedium confidence
- EG Risk
- 30EG Risk 30/100
EG Risk is EchelonGraph's 0–100 priority score. It fuses impact severity (EG Severity, the CVSS base score, never the KEV-floored or EPSS-lifted EG Score) with real-world exploitation and automatability, under weights EchelonGraph set by hand, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner.
How it’s computed (value × EchelonGraph’s weight)Severity65% × 45%Impact severity (EG Severity): CVSS 6.5 of 10. Never the KEV-floored or EPSS-lifted EG Score.Exploitation0.8% × 40%FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.Automatability0% × 15%CISA's SSVC Automatable value: no (Vulnrichment).SSVC (CISA's decision table, applied by EchelonGraph): Track at every mission impact level.Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.Action: A fix is available. Apply it within your standard update timelines. - EPSS PROB
- 0.8%
- EPSS %ILE
- 55th
- KEV
- Not listed
What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)
The EG score (6.5): severity, escalated by confirmed exploitation. This CVE's 6.5 is its impact severity (EG Severity), not escalated.
- EG Severity
- 6.5 MEDIUMCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.GitHub Security Advisory CVSS
- EG Likelihood
- 0.8% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-10-31). FIRST's exploitation probability, not an EchelonGraph model.
- Confirmed exploitation
- None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
- EG Priority
- SSVC Track at medium mission impactTrack at every mission impact level.CISA BOD 26-04: 60 days if the affected system is publicly exposed; Fix on system upgrade if it is not.Each input and its source, and whom BOD 26-04 binds: the SSVC and BOD 26-04 blocks below.
SSVC (CISA's decision table, applied by EchelonGraph)Track at every mission impact level.
A fix is available. Apply it within your standard update timelines.
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table
BOD 26-04 (CISA's remediation timeline, Table 1)60 days if the affected system is publicly exposed; Fix on system upgrade if it is not.
The score's inputs: In CISA KEV no (CISA's KEV catalog) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it
Published
September 22, 2026
Last Modified
September 26, 2026
Advisory Details (10)
Auto-updated Sep 22, 2026commit cbcef731c088 (plone/plone.app.dexterity)
Fix landed in plone/plone.app.dexterity commit cbcef731c088 — awaiting tagged release
https://github.com/plone/plone.app.dexterity/commit/cbcef731c0882146b9bf30688cdc639d879878fbcommit 411689047f9a (plone/plone.app.dexterity)
Fix landed in plone/plone.app.dexterity commit 411689047f9a — awaiting tagged release
https://github.com/plone/plone.app.dexterity/commit/411689047f9a3521899ae6992a9b0efbd0592a8fcommit 2fdceb120ca8 (plone/plone.app.dexterity)
Fix landed in plone/plone.app.dexterity commit 2fdceb120ca8 — awaiting tagged release
https://github.com/plone/plone.app.dexterity/commit/2fdceb120ca86682a408f3a14753cfcf5126d9d9commit 0d317df66382 (plone/plone.app.dexterity)
Fix landed in plone/plone.app.dexterity commit 0d317df66382 — awaiting tagged release
https://github.com/plone/plone.app.dexterity/commit/0d317df663823445200d0569a66a95b7e4a9c50dDenial of Service in File Upload due to excessive filename length · Advisory · plone/plone.app.contenttypes · GitHub
https://github.com/plone/plone.app.contenttypes/security/advisories/GHSA-8pcw-h6w9-h46gcommit bed1547d4f8b (plone/plone.app.contenttypes)
Fix landed in plone/plone.app.contenttypes commit bed1547d4f8b — awaiting tagged release
https://github.com/plone/plone.app.contenttypes/commit/bed1547d4f8b1fc995f2c76f30ba5f20276a8ad6commit 7bb03e8ec6c6 (plone/plone.app.contenttypes)
Fix landed in plone/plone.app.contenttypes commit 7bb03e8ec6c6 — awaiting tagged release
https://github.com/plone/plone.app.contenttypes/commit/7bb03e8ec6c6bd0e645f445b0755e85a51afb158commit 639c0619f371 (plone/plone.app.contenttypes)
Fix landed in plone/plone.app.contenttypes commit 639c0619f371 — awaiting tagged release
https://github.com/plone/plone.app.contenttypes/commit/639c0619f371df578e69ec94e5ca98e60fd6ed58commit 21bae6ebe424 (plone/plone.app.contenttypes)
Fix landed in plone/plone.app.contenttypes commit 21bae6ebe424 — awaiting tagged release
https://github.com/plone/plone.app.contenttypes/commit/21bae6ebe424689eeac9a5884fc0da35f4944e63commit 13dc98a57834 (plone/plone.app.contenttypes)
Fix landed in plone/plone.app.contenttypes commit 13dc98a57834 — awaiting tagged release
https://github.com/plone/plone.app.contenttypes/commit/13dc98a578341aac24a1e65fd9bc7ac8a07d168aVendor Advisories for CVE-2026-57576(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(3)
| Vendor / Ecosystem | Fix (by version range) / Patch | Released | Source |
|---|---|---|---|
| pip | plone.app.dexterity @ 5.0.1 (fixes = 5.0.0) | — | ghsa |
| pip | plone.app.dexterity @ 4.1.3 (fixes >= 4.0.0, <= 4.1.2) | — | ghsa |
| pip | plone.app.dexterity @ 3.2.3 (fixes <= 3.2.2) | — | ghsa |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| plone-app-dexterity | 1.0 ... 5.0.0 (134 versions) |
| — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 10× in last 7d / 44× in last 30d)
Each row is a time one of our pipelines fetched, updated or re-scored this CVE. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.
- 2026-11-01 16:35 UTCEPSS rescoreEPSS 0.8% · 55th percentile
- 2026-11-01 07:42 UTCGHSA enrichmentGHSA-5426-92w4-wvhv · GitHub severity MODERATE · GitHub CVSS 6.5
- 2026-11-01 07:42 UTCEG score recompute
- 2026-10-31 16:33 UTCEPSS rescoreEPSS 0.8% · 55th percentile
- 2026-10-30 16:34 UTCEPSS rescoreEPSS 0.8% · 55th percentile
- 2026-10-30 10:25 UTCOSV refresh
- 2026-10-29 16:33 UTCEPSS rescoreEPSS 0.8% · 55th percentile
- 2026-10-28 16:32 UTCEPSS rescoreEPSS 0.8% · 55th percentile
- 2026-10-27 16:32 UTCEPSS rescoreEPSS 0.8% · 55th percentile
- 2026-10-26 16:31 UTCEPSS rescoreEPSS 0.8% · 55th percentile
- 2026-10-25 16:33 UTCEPSS rescoreEPSS 0.8% · 55th percentile
- 2026-10-25 14:17 UTCEG score recompute
- 2026-10-24 16:33 UTCEPSS rescoreEPSS 0.8% · 54th percentile
- 2026-10-23 16:32 UTCEPSS rescoreEPSS 0.8% · 54th percentile
- 2026-10-22 21:06 UTCEG score recompute
- 2026-10-22 16:34 UTCEPSS rescoreEPSS 0.8% · 54th percentile
- 2026-10-21 16:33 UTCEPSS rescoreEPSS 0.8% · 54th percentile
- 2026-10-20 16:33 UTCEPSS rescoreEPSS 0.8% · 54th percentile
- 2026-10-19 16:32 UTCEPSS rescoreEPSS 0.8% · 54th percentile
- 2026-10-18 16:32 UTCEPSS rescoreEPSS 0.8% · 54th percentile
- 2026-10-18 03:28 UTCEG score recompute
- 2026-10-17 16:34 UTCEPSS rescoreEPSS 0.8% · 54th percentile
- 2026-10-16 16:42 UTCEPSS rescoreEPSS 0.8% · 54th percentile
- 2026-10-15 16:32 UTCEPSS rescoreEPSS 0.8% · 54th percentile
- 2026-10-14 16:33 UTCEPSS rescoreEPSS 0.8% · 54th percentile
Show 42 moreShow fewer
- 2026-10-13 16:34 UTCEPSS rescoreEPSS 0.8% · 54th percentile
- 2026-10-12 16:34 UTCEPSS rescoreEPSS 0.8% · 54th percentile
- 2026-10-12 15:54 UTCEG score recompute
- 2026-10-11 19:11 UTCEG score recompute
- 2026-10-11 16:52 UTCEG score recompute
- 2026-10-11 14:15 UTCEG score recompute
- 2026-10-11 13:49 UTCEPSS rescoreEPSS 0.8% · 54th percentile
- 2026-10-10 20:00 UTCEPSS rescoreEPSS 0.8% · 54th percentile
- 2026-10-09 20:11 UTCEG score recompute
- 2026-10-09 20:07 UTCEPSS rescoreEPSS 0.8% · 54th percentile
- 2026-10-08 20:41 UTCEG score recompute
- 2026-10-08 17:13 UTCEPSS rescoreEPSS 0.8% · 53rd percentile
- 2026-10-07 23:48 UTCEPSS rescoreEPSS 0.8% · 53rd percentile
- 2026-10-06 21:41 UTCEG score recompute
- 2026-10-06 15:18 UTCEPSS rescoreEPSS 0.8% · 53rd percentile
- 2026-10-05 22:12 UTCEG score recompute
- 2026-10-05 17:43 UTCEPSS rescoreEPSS 0.8% · 53rd percentile
- 2026-10-03 23:12 UTCEG score recompute
- 2026-10-03 14:26 UTCEPSS rescoreEPSS 0.8% · 53rd percentile
- 2026-10-02 23:36 UTCEG score recompute
- 2026-10-02 17:56 UTCEPSS rescoreEPSS 0.8% · 53rd percentile
- 2026-10-02 00:04 UTCEG score recompute
- 2026-10-01 19:50 UTCEPSS rescoreEPSS 0.8% · 53rd percentile
- 2026-10-01 00:16 UTCEG score recompute
- 2026-09-30 15:03 UTCEPSS rescoreEPSS 0.8% · 53rd percentile
- 2026-09-30 00:16 UTCEG score recompute
- 2026-09-29 15:22 UTCEPSS rescoreEPSS 0.8% · 53rd percentile
- 2026-09-28 23:50 UTCEG score recompute
- 2026-09-28 13:51 UTCEPSS rescoreEPSS 0.8% · 53rd percentile
- 2026-09-28 00:19 UTCEG score recompute
- 2026-09-27 13:48 UTCEPSS rescoreEPSS 0.8% · 53rd percentile
- 2026-09-27 00:49 UTCEG score recompute
- 2026-09-26 15:59 UTCEPSS rescoreEPSS 0.8% · 53rd percentile
- 2026-09-26 01:20 UTCEG score recompute
- 2026-09-26 00:38 UTCEG score recompute
- 2026-09-24 17:58 UTCEG score recompute
- 2026-09-24 14:04 UTCEPSS rescoreEPSS 0.8% · 53rd percentile
- 2026-09-23 18:20 UTCEG score recompute
- 2026-09-23 17:54 UTCEPSS rescoreEPSS 0.8% · 53rd percentile
- 2026-09-22 23:26 UTCEG score recompute
- 2026-09-22 23:14 UTCEG score recomputeFirst assessed: 6.5 MEDIUM
- 2026-09-22 23:12 UTCMITRE cvelistV5first tracked
Related CVEs(same product + same CWE)
Same product
3 shownPyPI:plone-app-dexterity
Frequently asked(5)
What is CVE-2026-57576?
When was the CVE record for CVE-2026-57576 published?
Is CVE-2026-57576 actively exploited?
What is the CVSS score of CVE-2026-57576?
How do I remediate CVE-2026-57576?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-57576
Is Your Infrastructure Affected by CVE-2026-57576?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.