CVE-2026-121628: bagisto bagisto

Bagisto before 2.3.16 and 2.4.x before 2.4.1 Race Condition in Coupon Usage Accounting

CVSS 6.3 MediumEPSS 0.0027 · 19th percentile

Published by the CVE Program (CNA: VulnCheck) at 3 Nov 2026, 17:13 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
bagisto	bagisto pkg:composer/bagisto/bagisto	affected before 2.3.16 semver affected 2.4.0 to before 2.4.1 semver unaffected 2.3.16 semver unaffected 2.4.1 semver Other versions: unaffected

Identifiers

CVE-2026-121628

CNA

VulnCheck

Weakness (CWE)

CWE-362

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.3	Medium	4.0	CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N	CNA (VulnCheck)Used for this record
3.7	Low	3.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0027, the 19th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

3 Nov 2026, 17:13 UTC Confirmed by the CVE List
3 Nov 2026, 17:23 UTC First seen by agentprime
3 Nov 2026, 18:17 UTC Confirmed by NVD

Sources

References from the CNA

github.com/bagisto/bagisto/commit/81cb2a2a35b355492f704fd216d679f2145a5650 patch
github.com/bagisto/bagisto/commit/1f57c10eb9cb61b37de4706ffa439fd26aa7c405 patch
github.com/bagisto/bagisto/releases/tag/v2.3.16 release-notes
github.com/bagisto/bagisto/releases/tag/v2.4.1 release-notes
github.com/bagisto/bagisto/blob/v2.4.0/packages/Webkul/CartRule/src/Listeners/Order.php#L30-L95 technical-description
github.com/bagisto/bagisto product
www.vulncheck.com/advisories/bagisto-before-2.3.16-and-2.4-x-before-2.4.1-race-condition-in-coupon-usage-accounting third-party-advisory
gist.github.com/Ayxpp/5358d9fff045e94e0ddb51677ed5d195 exploit

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.