CVE-2026-93534 (CVSS 6.3)

Description

A vulnerability was identified in spatie Scotty up to 1.4.2. Affected is the function SelfUpdater::update of the file app/Updater/SelfUpdater.php of the component Self Update Handler. Such manipulation leads to download of code without integrity check. It is possible to launch the attack remotely. Upgrading to version 1.4.3 is able to address this issue. The name of the patch is 4b4e11bfc98e3a2159bb2b3d9b040293fcc44744. It is advisable to upgrade the affected component.

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CVSS v3.1 Score

6.3

MEDIUM

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

EPSS — Exploit Prediction

0.0021

Probability of exploitation

0.11%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-494 CWE-494

References

Other References

https://github.com/spatie/scotty/ https://github.com/spatie/scotty/commit/4b4e11bfc98e3a2159bb2b3d9b040293fcc44744 https://github.com/spatie/scotty/issues/21 https://github.com/spatie/scotty/releases/tag/1.4.3 https://vuldb.com/cve/CVE-2026-93534 https://vuldb.com/submit/943918 https://vuldb.com/vuln/407451 https://vuldb.com/vuln/407451/cti https://github.com/spatie/scotty/issues/21

Frequently Asked Questions

What is CVE-2026-93534? +

A vulnerability was identified in spatie Scotty up to 1.4.2. Affected is the function SelfUpdater::update of the file app/Updater/SelfUpdater.php of the component Self Update Handler. Such manipulation leads to download of code without integrity check. It is possible to launch the attack remotely. Upgrading to version 1.4.3 is able to address this issue. The name of the patch is 4b4e11bfc98e3a2159bb2b3d9b040293fcc44744. It is advisable to upgrade the affected component. It has a CVSS v3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2026-93534? +

CVE-2026-93534 has a CVSS v3.1 score of 6.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0021, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-93534? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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