VulnSocial

CVE-2026-64850Disclosure

LOWCVSS 8.7 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Grav is a file-based Web platform. Prior to 2.0.7, Grav Blueprint::dynamicData() in system/src/Grav/Common/Data/Blueprint.php sends an editor-controlled Class::method provider and arguments to call_user_func_array() without rejecting dangerous callback parameters. An account with admin.pages or api.pages.write can use Grav\Common\Utils::arrayFilterRecursive() as a trampoline with system as the callback, place a command in page frontmatter, and execute that command as the web server user when the page is viewed. This issue is fixed in version 2.0.7.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-94

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-09-18: 1Technical Details · 2026-09-18: 109-18
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
Full discourse1 post
  • DailyCVE@dailycve
    Disclosure

    🔴 Grav CMS, Incomplete Fix for Dynamic Callable Validation Leading to error_log RCE, #CVE-2026-64850 (High) -DC-Sep2026-2460 https://dailycve.com/grav-cms-incomplete-fix-for-dynamic-callable-validation-leading-to-error_log-rce-cve-2026-64850-high-dc-sep2026-2460/

    Post summary

    The text announces CVE-2026-64850 affecting Grav CMS and describes it as an incomplete fix for dynamic callable validation leading to error_log RCE. It provides vulnerability details but does not mention a PoC, exploit tool, active exploitation, or named remediation.

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    237 followersView on X

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