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MEDIUM severity

CVE-2026-33887 — cms

MEDIUM

CVE-2026-33887 is a medium-severity (CVSS 5.4) CWE-862 vulnerability in statamic/cms. A fix is available for statamic/cms — see the affected versions and patch details below.

Statamic allows unauthorized content access through missing authorization in its revision controllers

Also known asGHSA-4hp7-3wxg-cv9q
Published
Updated
Affected
2 pkgs
Patched
2 / 2
Exploits
None indexed
Exploitation data as of Nov 4, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2026-33887.

EPSS Exploitation Probability

via FIRST.org ↗
0.1%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs4th percentile — riskier than 4% of all scored CVEsHighest risk
0.00%0.25%0.49%0.74%0.0%0.1%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

2 pkgs affected
🐘statamic/cms🐘statamic/cms

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

Statamic is a Laravel and Git powered content management system (CMS). Prior to versions 5.73.16 and 6.7.2, authenticated Control Panel users could view entry revisions for any collection with revisions enabled, regardless of whether they had the required collection permissions. This bypasses the authorization checks that the main entry controllers enforce, exposing entry field values and blueprint data. Users could also create entry revisions without edit permission, though this only snapshots the existing content state and does not affect published content. This has been fixed in 5.73.16 and 6.7.2.

Affected Packages

2 total 2 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagiststatamic/cmsall versions5.73.16composer require statamic/cms:^5.73.16
🐘Packagiststatamic/cms≥ 6.0.0-alpha.1&&< 6.7.26.7.2composer require statamic/cms:^6.7.2

Affected Products

1 product · 2 configurations
Application
statamicstatamic
≥ 6.0.0 && < 6.7.2
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for statamic/cms, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update statamic/cms to 5.73.16 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2026-33887 is resolved across your whole dependency graph.

  3. Workarounds

    Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used.

Frequently Asked Questions

Statamic is a Laravel and Git powered content management system (CMS). Prior to versions 5.73.16 and 6.7.2, authenticated Control Panel users could view entry revisions for any collection with revisions enabled, regardless of whether they had the required collection permissions. This bypasses the authorization checks that the main entry controllers enforce, exposing entry field values and blueprint data. Users could also create entry revisions without edit permission, though this only snapshots the existing content state and does not affect published content. This has been fixed in 5.73.16 and
O3 Security · Impact-Aware SCA

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CVE-2026-33887: cms — Fixed in 5.73.16