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CVE-2026-31824: Sylius has a Promotion Usage Limit Bypass via Race Condition

high Affects sylius/sylius. Feed 2026.10.29.3, updated 2026-10-29; published ; advisory modified .

Sylius has a Promotion Usage Limit Bypass via Race Condition

Package
sylius/sylius Composer
Affected versions
<1.9.12 or >=1.10.0 and <1.10.16 or >=1.11.0 and <1.11.17 or >=1.12.0 and <1.12.23 or >=1.13.0 and <1.13.15 or >=1.14.0 and <1.14.18 or >=2.0.0 and <2.0.16 or >=2.1.0 and <2.1.12 or >=2.2.0 and <2.2.3
Fixed in
1.9.12, 1.10.16, 1.11.17, 1.12.23, 1.13.15, 1.14.18, 2.0.16, 2.1.12, 2.2.3
Severity
high  CVSS 8.2
Exploitation
not on CISA KEV · EPSS 0% (8.7th percentile)
Published
2026-03-11
Source
osv.dev

References

CWE-362CWE-367
NVD recordsylius/sylius advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden deps composer.lock

# or, without Composer
pipx install phpwarden   &&   phpwarden deps composer.lock

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