Loading...
Skip to main content
GeekWala

CVE-2026-27939 — Vulnerability in statamic/cms — CVE Details

HIGH

Statamic allows Authenticated Control Panel users to escalate privileges via elevated session bypass

Published February 27, 2026Updated March 4, 2026Source: osv

Summary

## Impact Authenticated Control Panel users may under certain conditions obtain elevated privileges without completing the intended verification step. This can allow access to sensitive operations and, depending on the user’s existing permissions, may lead to privilege escalation. ## Patches This has been fixed in 6.4.0.

Advisory Timeline

  • First published February 27, 2026 (227 days ago).
  • Last revised March 4, 2026 — 5 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Composer
Update statamic/cms to 6.4.0 or later
composer require "statamic/cms:^6.4.0"

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: packagist (1).

PackageEcosystemAffectedFixed In
statamic/cms
packagist
v6.0.0, v6.1.0, v6.2.0, v6.2.1 (+8 more)6.4.0

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-287
    Improper AuthenticationMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 8.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2026-27939?
Statamic allows Authenticated Control Panel users to escalate privileges via elevated session bypass This vulnerability has been assigned a severity rating of HIGH (CVSS score: 8.8/10).
How do I check if my project is affected by CVE-2026-27939?
CVE-2026-27939 affects statamic/cms. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-27939 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
8.8

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-rw9x-pxqx-q789

Related CVEs

  • CVE-2026-27593
    CRITICAL

    Statamic is vulnerable to account takeover via password reset link injection

  • CVE-2026-41175
    HIGH

    Statamic: Unsafe method invocation via query value resolution allows data destruction

  • CVE-2026-28426
    HIGH

    Statamic vulnerable to privilege escalation via stored cross-site scripting

  • CVE-2026-33172
    HIGH

    Statamic has Stored XSS via SVG Sanitization Bypass

  • CVE-2026-27196
    HIGH

    Statamic affected by privilege escalation via stored cross-site scripting

  • CVE-2026-64665
    HIGH

    Statamic: Account takeover via OAuth email matching without email-verification check

  • CVE-2026-25759
    HIGH

    Statamic CMS vulnerable to privilege escalation via stored cross-site scripting

  • CVE-2026-65954
    HIGH

    PHPCSUtils: Remote code execution via eval() in AbstractArrayDeclarationSniff::getActualArrayKey()

Check if you're affected

Scan your dependencies to see if this vulnerability affects your projects.

Scan Your Dependencies