CVE-2026-86736: snipe-it — Fix

Description

snipe-it before 8.7.0 contains an incorrect calculation vulnerability in checkout request handling that allows authenticated users to corrupt the assets.requests_counter through duplicate submissions and cancellations without active requests. Attackers can repeatedly call cancel endpoints without active requests to drive the counter negative, or submit duplicate checkout requests to inflate the counter, misrepresenting pending demand in the admin queue.

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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:N/I:L/A:N

EPSS — Exploit Prediction

0.0018

Probability of exploitation

0.07%

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-682 CWE-682

Affected Products

Vendor	Product	Versions
snipeitapp	snipe-it	< 8.7.0

References

Advisories & Patches

https://github.com/grokability/snipe-it/security/advisories/GHSA-hc9q-5x9h-9gxc

Other References

https://www.vulncheck.com/advisories/snipe-it-before-8.7.0-checkout-request-counter-integrity-failure

Frequently Asked Questions

What is CVE-2026-86736? +

snipe-it before 8.7.0 contains an incorrect calculation vulnerability in checkout request handling that allows authenticated users to corrupt the assets.requests_counter through duplicate submissions and cancellations without active requests. Attackers can repeatedly call cancel endpoints without active requests to drive the counter negative, or submit duplicate checkout requests to inflate the counter, misrepresenting pending demand in the admin queue. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-86736? +

CVE-2026-86736 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 0.0018, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-86736? +

CVE-2026-86736 affects products from snipeitapp, specifically: snipe-it. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-86736? +

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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