CVE-2026-4588
LOWDescription
A vulnerability was determined in kalcaddle kodbox 1.64. Impacted is the function shareSafeGroup of the file /workspace/source-code/app/controller/explorer/shareOut.class.php of the component Site-level API key Handler. This manipulation of the argument sk causes use of hard-coded cryptographic key . The attack may be initiated remotely. The complexity of an attack is rather high. The exploitability is considered difficult. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Exploit Intelligence
Low risk: more likely to be exploited than 19% of all known CVEs.
References
Related Vulnerabilities
Other CWE-320 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2015-0936 | Critical | 9.8 | 78% | - | - |
| CVE-2018-0732 | High | 7.5 | 49% | - | Fix |
| CVE-2015-0839 | High | 8.1 | 6.3% | - | Fix |
| CVE-2018-0124 | Critical | 9.8 | 5.1% | - | Fix |
| CVE-2016-9963 | Medium | 5.9 | 3.1% | - | Fix |
| CVE-2016-2217 | Medium | 5.3 | 2.5% | - | Fix |
Common questions
How do I fix CVE-2026-4588?
No published fix for CVE-2026-4588 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2026-4588 being actively exploited?
Not that we know of. CVE-2026-4588 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.27% is the estimated probability that it will be exploited in the next 30 days. That is higher than 19% of all scored CVEs.
How severe is CVE-2026-4588?
CVE-2026-4588 has a CVSS v3 base score of 3.7, rated low. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.