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LangGraph SDK custom auth silently ignores actions= on resource decorators

CVE-2026-104873 affects langgraph-sdk. EPSS 0.00253 (percentile 0.15202), scored 2026-10-04. Affected range: >= 0.1.45, <= 0.4.3. Fixed version: 0.4.4.

Published 2026-10-05 23:10:38.692211+00:00

CVE

CVE-2026-104873

CWE

CWE-863

Product

langgraph-sdk

CCR priority

0.1 /100 (P5)

EPSS

0.00253 · percentile 0.15202 · 2026-10-04

KEV

no

Affected products

• langgraph-sdk · >= 0.1.45, <= 0.4.3 · Fixed version: 0.4.4

Provenance

• NVD CVE API 2.0 · Source record · observed 2026-10-05 23:09:08.830529+00:00 UTC
• GitHub Advisory Database · Source record · observed 2026-10-05 23:10:51.172112+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-104873.html