CVE-2026-124318

Treeio through 2.0 Insecure Deserialization RCE via Admin-Editable Pickle Fields

8.6 High

Treeio through 2.0 contains an insecure deserialization vulnerability in UpdateRecord.get_format_strings and ModuleSetting.loads that allows staff users to execute code via unverified pickle data. Attackers can store a crafted base64 pickle payload in an UpdateRecord format_strings field through the Django admin, executing Python code as the web server user when news feeds render.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

What each source reports

CVE List Score used 8.6

Treeio through 2.0 Insecure Deserialization RCE via Admin-Editable Pickle Fields

Record: CVE-2026-124318
CVSS 4.0: 8.6 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1: 7.2 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-07

EUVDEUVD-2026-119272 8.6

Record: EUVD-2026-119272
CVSS 4.0: 8.6 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Updated: 2026-11-07

GitHub AdvisoriesGHSA-3rqm-3mpx-jvr5 8.6

Treeio through 2.0 contains an insecure deserialization vulnerability in UpdateRecord...

Record: GHSA-3rqm-3mpx-jvr5
CVSS 4.0: 8.6 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 7.2 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-07

NVD 8.6

Record: CVE-2026-124318
CVSS 4.0: 8.6 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 7.2 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-07

Affected products

treeio

History

History
Recorded	Changed	Sources
Nov 7, 2026	published	EUVD, NVD
Nov 7, 2026	published	EUVD
Nov 7, 2026	aliases, references	GitHub Advisories
Nov 7, 2026	cwes, references, severity, title	CVE List
Nov 7, 2026	first indexed	EUVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-124318 is a high vulnerability (CVSS 8.6) in Treeio, published November 7, 2026. No source lists public exploit code. No source names a fixed version.