CVE-2026-27022

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

4.01% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 90.4% of scored records. A rank, not a probability.

NVD base score

6.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Deferred. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-02-20 21:06Z8 MO AGO

Last updated

2026-02-24 18:33Z8 MO AGO

Reserved

2026-02-17

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

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

Weaknesses

• CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')Class

Data version

5.2

Document digest

2fd5bdb0f8bcac35235cb046de72088d130a5e1e24f476d6d3d274aa177c8b6b

• github.comhttps://github.com/langchain-ai/langgraphjs/security/advisories/GHSA-5mx2-w598-339mx_refsource_CONFIRM
• github.comhttps://github.com/langchain-ai/langgraphjs/pull/1943x_refsource_MISC
• github.comhttps://github.com/langchain-ai/langgraphjs/commit/814c76dc3938d0f6f7e17ca3bc11d6a12270b2a1x_refsource_MISC
• github.comhttps://github.com/langchain-ai/langgraphjs/releases/tag/@langchain/langgraph-checkpoint-redis@1.0.2x_refsource_MISC