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No exploitation reported

CVE-2026-5789

No exploitation reported by the sources we read.

  • Published2026-04-21
  • WeaknessCWE-428

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

Vulnerability related to an unquoted search path in CivetWeb v1.16. This vulnerability allows a local attacker to execute arbitrary code with elevated privileges by placing a malicious executable in a directory that is scanned before the intended application path (C:\Program Files\CivetWeb\CivetWeb.exe --), due to the absence of quotes in the service configuration.

Timeline

dates in UTC
  1. 2026-04-2115:16CVE publishedNVD

Versions per branch

NVD
Civetweb project civetweb
BranchAffectedFixed in
1.16= 1.16no fix published

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

  • CivetWebother versions: not affected
    Affected
    • = 1.16no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-04-21

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

  • civetwebUbuntu:26.04:LTSall versions · no fixed version listed
  • civetwebUbuntu:25.10all versions · no fixed version listed
  • civetwebUbuntu:24.04:LTSall versions · no fixed version listed
  • civetwebUbuntu:22.04:LTSall versions · no fixed version listed

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

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

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
2026-04-21
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-9vxj-j2f7-9mgg

Frequently asked questions

What is CVE-2026-5789?

Vulnerability related to an unquoted search path in CivetWeb v1.16. This vulnerability allows a local attacker to execute arbitrary code with elevated privileges by placing a malicious executable in a directory that is scanned before the intended application path (C:\Program Files\CivetWeb\CivetWeb.exe --), due to the absence of quotes in the service configuration.

Is CVE-2026-5789 actively exploited?

Active exploitation of CVE-2026-5789 has not been confirmed. Its EPSS score was 0.1% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-5789?

CVE-2026-5789 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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