CVE-2023-34540

Name: CVE-2023-34540
Creator: NVD / NIST
Published: 2023-06-14T15:15:10.287+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.68%

Last modified Jun 17, 2026

CVE-2023-34540 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 1.68% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.68%

74.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Langchain	Langchain	0.0.171

References

Timeline

Published: Jun 14, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-34540?

How severe is CVE-2023-34540?

CVE-2023-34540 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.68% probability of exploitation in the next 30 days.

How do I fix CVE-2023-34540?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-34540?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST