{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-100872","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-09-27T00:20:54.408Z","datePublished":"2026-09-27T13:09:56.034Z","dateUpdated":"2026-09-27T14:29:46.185Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-09-27T14:29:46.185Z"},"datePublic":"2026-09-02T00:00:00.000Z","title":"Sylius 2.x before 2.1.16 and 2.2.9 Payment Amount Overwrite","descriptions":[{"lang":"en","value":"Sylius versions before 2.1.16 and 2.2.9 fail to validate payment amounts during cart recalculation, allowing unauthenticated attackers to modify order totals after gateway transaction initiation. Attackers can pay a small amount, enlarge the order after gateway capture, and have the system mark the inflated order as fully paid while the gateway captured only the original amount."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Insufficient Verification of Data Authenticity","cweId":"CWE-345","type":"CWE"}]}],"affected":[{"vendor":"Sylius","product":"Sylius","collectionURL":"https://packagist.org","packageName":"sylius/sylius","packageURL":"pkg:composer/sylius/sylius","defaultStatus":"unaffected","versions":[{"version":"2.0.0","status":"affected","versionType":"semver","lessThan":"2.1.16"},{"version":"2.2.0","status":"affected","versionType":"semver","lessThan":"2.2.9"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:sylius:sylius:*:*:*:*:*:*:*:*","versionStartIncluding":"2.0.0","versionEndExcluding":"2.1.16"},{"vulnerable":true,"criteria":"cpe:2.3:a:sylius:sylius:*:*:*:*:*:*:*:*","versionStartIncluding":"2.2.0","versionEndExcluding":"2.2.9"}]}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.7,"baseSeverity":"HIGH"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH"}}],"references":[{"url":"https://github.com/Sylius/Sylius/security/advisories/GHSA-vv4h-q2x8-74g4","name":"GitHub Security Advisory (GHSA-vv4h-q2x8-74g4)","tags":["vendor-advisory"]},{"url":"https://github.com/Sylius/Sylius/pull/19216","tags":["patch","issue-tracking"]},{"url":"https://github.com/Sylius/Sylius/commit/9e9aeaacbc97b1fc01d573e44d6679194527905d","tags":["patch"]},{"url":"https://github.com/Sylius/Sylius/releases/tag/v2.2.9","tags":["release-notes"],"name":"Sylius v2.2.9 Release Notes"},{"url":"https://github.com/Sylius/Sylius","tags":["product"]},{"name":"VulnCheck Advisory: Sylius 2.x before 2.1.16 and 2.2.9 Payment Amount Overwrite","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/sylius-2-x-before-2.1.16-and-2.2.9-payment-amount-overwrite"}],"credits":[{"lang":"en","value":"leediay153","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}}}}