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CRITICAL

CVE-2023-34540

CVSS v3

9.8

CRITICAL

EPSS Score

1.7 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • langchainPyPIall versions · fixed in 0.0.225

Full record on NVD

Description

Langchain before v0.0.225 was discovered to contain a remote code execution (RCE) vulnerability in the component JiraAPIWrapper (aka the JIRA API wrapper). This vulnerability allows attackers to execute arbitrary code via crafted input. As noted in the "releases/tag" reference, a fix is available.

Technical details

Published
2023-06-14

Frequently asked questions

What is CVE-2023-34540?

Langchain before v0.0.225 was discovered to contain a remote code execution (RCE) vulnerability in the component JiraAPIWrapper (aka the JIRA API wrapper). This vulnerability allows attackers to execute arbitrary code via crafted input. As noted in the "releases/tag" reference, a fix is available.

Is CVE-2023-34540 actively exploited?

Active exploitation of CVE-2023-34540 has not been confirmed. Its EPSS score was 1.7% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-34540?

CVE-2023-34540 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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