Auth bypass in Sylius
CVE-2026-108724
Sylius through 2.3.0 contains an authorization bypass vulnerability that allows unauthenticated attackers to read unmoderated and rejected product reviews because the AcceptedExtension filter is not applied to the item operation. Attackers can enumerate sequential ids on GET /api/v2/shop/product-reviews/{id} to retrieve review titles, ratings, comments, timestamps and author first names, bypassing merchant moderation.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@haind/sylius-shop-product-review-item-moderation-bypass (third-party-advisory)
- github.com/Sylius/Sylius/blob/34fc73a9ee89e8cd3f11aa81d0b18ee91f25e8d7/src/Syli… (technical-description)
- github.com/Sylius/Sylius/blob/34fc73a9ee89e8cd3f11aa81d0b18ee91f25e8d7/src/Syli… (technical-description)
- github.com/Sylius/Sylius (product)
- www.vulncheck.com/advisories/sylius-through-2.3.0-authorization-bypass-via-shop… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-108724?
- CVE-2026-108724 is a medium-severity vulnerability in Sylius, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2026-10-11.
- How severe is CVE-2026-108724?
- Medium severity. CVSS v3 base score is 5.3 out of 10.