CVE-2026-82543 (CVSS 7.3)

Description

A vulnerability was detected in vastsa FileCodeBox up to 2.3. This vulnerability affects the function update_file_usage of the file apps/base/views.py of the component Pickup Limit Handler. Performing a manipulation results in race condition. It is possible to initiate the attack remotely. The exploit is now public and may be used. Upgrading to version 2.5.0 is able to resolve this issue. The patch is named 8d7d856c62d73badd0797eb4daec8d2ff10a403a. Upgrading the affected component is recommended.

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CVSS v3.1 Score

7.3

HIGH

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

EPSS — Exploit Prediction

0.0030

Probability of exploitation

0.23%

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-362 CWE-362

References

Other References

https://github.com/vastsa/FileCodeBox/ https://github.com/vastsa/FileCodeBox/commit/8d7d856c62d73badd0797eb4daec8d2ff10a403a https://github.com/vastsa/FileCodeBox/issues/482 https://github.com/vastsa/FileCodeBox/pull/487 https://github.com/vastsa/FileCodeBox/releases/tag/v2.5.0 https://vuldb.com/cve/CVE-2026-82543 https://vuldb.com/submit/891416 https://vuldb.com/vuln/397060 https://vuldb.com/vuln/397060/cti

Frequently Asked Questions

What is CVE-2026-82543? +

A vulnerability was detected in vastsa FileCodeBox up to 2.3. This vulnerability affects the function update_file_usage of the file apps/base/views.py of the component Pickup Limit Handler. Performing a manipulation results in race condition. It is possible to initiate the attack remotely. The exploit is now public and may be used. Upgrading to version 2.5.0 is able to resolve this issue. The patch is named 8d7d856c62d73badd0797eb4daec8d2ff10a403a. Upgrading the affected component is recommended. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2026-82543? +

CVE-2026-82543 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0030, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-82543? +

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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