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🛡️ CVE-2026-64663 — cms

🟡 CVSS 6.5 — Medium ✅ No Known Exploit CWE-470 NVD
6.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Statamic: Unsafe method invocation via Antlers template resolution allows data destruction

Impact

Manipulating user-supplied input incorporated into Antlers templates could result in the loss of content and assets.

Exploitation requires a site to have templates that pass untrusted input into affected areas. It does not require authentication.

Patches

This has been fixed in 5.74.1 and 6.24.0.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity low, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: High — the attacker first has to win a race, learn a secret or otherwise prepare the target.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: None.
  • Integrity impact: Low — limited, and the attacker does not choose what is affected.
  • Availability impact: High — total loss, or loss the attacker controls.

Weakness class

CVE-2026-64663 is classified as CWE-470: Unsafe Reflection. Input selects which class or method to invoke, letting an attacker reach code that was never meant to be callable.

Affected software

CVE-2026-64663 is recorded against 2 packages.

  • statamic/cms (from 6.0.0 up to 6.24.0)
  • unknown

Timeline and source

Published on 6 August 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com (Web)
github.com (Package)

Other advisories for this package

statamic/cms has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-470: Unsafe Reflection) in other software:

Details

Severity Medium
CVSS Score 6.5
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
CWE CWE-470
Public Exploit ✅ No
Source NVD
Published 2026-08-06
Updated 2026-08-20
Modified 2026-08-06
Fix URL N/A

Affected Packages

Software From version Fixed in
statamic/cms 6.0.0 6.24.0
unknown — —

Similar Threats

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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