CVE-2026-18903: Path Traversal (CVSS 4.3)

Description

A vulnerability was determined in yeqifu warehouse up to aaf29962ba407d22d991781de28796ee7b4670e4. This issue affects some unknown processing of the file src/main/java/com/yeqifu/sys/controller/FileController.java. This manipulation of the argument path causes path traversal. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The vendor was contacted early about this disclosure but did not respond in any way.

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CVSS v3.1 Score

4.3

MEDIUM

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

EPSS — Exploit Prediction

0.0036

Probability of exploitation

0.28%

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-22 Path Traversal

References

Other References

https://fanatical-brain-9ba.notion.site/warehouse-381f1a573df48073ae69fd68e2c27b69 https://vuldb.com/cve/CVE-2026-18903 https://vuldb.com/submit/859531 https://vuldb.com/vuln/385940 https://vuldb.com/vuln/385940/cti

Frequently Asked Questions

What is CVE-2026-18903? +

A vulnerability was determined in yeqifu warehouse up to aaf29962ba407d22d991781de28796ee7b4670e4. This issue affects some unknown processing of the file src/main/java/com/yeqifu/sys/controller/FileController.java. This manipulation of the argument path causes path traversal. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The vendor was contacted early about this disclosure but did not respond in any way. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-18903? +

CVE-2026-18903 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0036, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-18903? +

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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