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Public proof of conceptFix available

CVE-2023-41887

A public proof of concept exists; no exploitation attested.

  • Published2023-09-15
  • Fixed in3.7.5
  • WeaknessCWE-89

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

OpenRefine is a powerful free, open source tool for working with messy data. Prior to version 3.7.5, a remote code execution vulnerability allows any unauthenticated user to execute code on the server. Version 3.7.5 has a patch for this issue.

Timeline

dates in UTC
  1. 2023-09-1521:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 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-2023-41887?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-41887?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV
Openrefine
BranchAffectedFixed in
3.7< 3.7.53.7.5

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

Products declared by the CNA1 product

As GitHub_M, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • OpenRefine
    Affected
    • = <= 3.7.4no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2023-09-15

Distribution builds and vendor advisories

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

  • openrefineUbuntu:Pro:24.04:LTSall versions · fixed in 3.7.7-1ubuntu0.1~esm1
  • openrefineUbuntu:Pro:22.04:LTSall versions · fixed in 3.5.2-1ubuntu0.1~esm1
  • openrefineDebian:13all versions · fixed in 3.7.5-1
  • openrefineDebian:12all versions · fixed in 3.6.2-2+deb12u2

Full record on NVD

Fix

  1. Update Openrefine to 3.7.5

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • CISA-ADPSSVC decisionpoc2024-09-25
  • OpenCVESSVC decisionpoc—
  • CNACVSS 3.19.8known since 2026-10-23
  • NVDCVSS 3.19.8read 2026-10-23
  • CNAweakness (CWE)CWE-89known since 2026-10-23
  • FIRST EPSSEPSS score42.5 %read 2026-11-02
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryCRITICAL2023-09-12

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
2023-09-15
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-p3r5-x3hr-gpg5

Frequently asked questions

What is CVE-2023-41887?

OpenRefine is a powerful free, open source tool for working with messy data. Prior to version 3.7.5, a remote code execution vulnerability allows any unauthenticated user to execute code on the server. Version 3.7.5 has a patch for this issue.

Is CVE-2023-41887 actively exploited?

A proof-of-concept exploit exists for CVE-2023-41887, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2023-41887?

CVE-2023-41887 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.

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Sources for this record