CVE-2026-31824
TOCTOU in Sylius promo/coupon limits allows unlimited redemption.
Is CVE-2026-31824 being exploited?
Not confirmed. CVE-2026-31824 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.18% probability of exploitation in the next 30 days.
How severe is CVE-2026-31824?
CVE-2026-31824 is rated High with a CVSS score of 8.2. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-31824?
Yes. A fix has been recorded for CVE-2026-31824. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-31824 affect?
CVE-2026-31824 affects Sylius Framework (promotion, coupon usage), Doctrine ORM (Sylius integration). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-31824?
Upgrade to fixed versions (>=1.9.12 / 2.x) ASAP
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unlimited redemption of limited-use promos/coupons via concurrent requests; potential financial loss.
Patch when possible
- affected>= 2.2.0 and < 2.2.3
- affected>= 2.1.0 and < 2.1.12
- affected>= 2.0.0 and < 2.0.16
- affected>= 1.14.0 and < 1.14.18
- affected>= 1.13.0 and < 1.13.15
- affected>= 1.12.0 and < 1.12.23
- affected>= 1.11.0 and < 1.11.17
- affected>= 1.10.0 and < 1.10.16
- affected< 1.9.12
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.