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Public proof of conceptFix available

CVE-2023-36281

A public proof of concept exists; no exploitation attested.

  • Published2023-08-22
  • Fixed in0.0.312 · 0.0.171
  • WeaknessCWE-94

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An issue in langchain v.0.0.171 allows a remote attacker to execute arbitrary code via a JSON file to load_prompt. This is related to __subclasses__ or a template.

Timeline

dates in UTC
  1. 2023-08-2219:16CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-04 03:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-36281?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-36281?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

OSV · NVD
langchain
BranchAffectedFixed in
0.0< 0.0.3120.0.312
0.0< 0.0.1710.0.171
Langchain
BranchAffectedFixed in
0.0= 0.0.171no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update langchain to 0.0.312 · 0.0.171

Advisories and patches

Detection

read 2026-11-03 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedtagomaru/CVE-2023-36281
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2023-08-22
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-7gfq-f96f-g85j

Frequently asked questions

What is CVE-2023-36281?

An issue in langchain v.0.0.171 allows a remote attacker to execute arbitrary code via a JSON file to load_prompt. This is related to __subclasses__ or a template.

Is CVE-2023-36281 actively exploited?

A proof-of-concept exploit exists for CVE-2023-36281, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2023-36281?

CVE-2023-36281 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Running langchain? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

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Sources for this record