CVE-2026-70658

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{"affected": [{"affectedData": [{"product": "pay", "vendor": "pay-rails", "versions": [{"status": "affected", "version": "< 11.6.2"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Pay is a payments engine for Ruby on Rails 6.0 and higher. Prior to 11.6.2, Pay::Webhooks::PaddleBillingController#valid_signature? in app/controllers/pay/webhooks/paddle_billing_controller.rb compares the computed 64-character SHA-256 HMAC with the attacker-controlled h1 token from the Paddle-Signature header using Ruby String#==. An unauthenticated remote attacker who can repeatedly submit requests to /pay/webhooks/paddle_billing and obtain sufficiently precise timing measurements can infer matching digest prefixes and recover a valid signature. A forged accepted webhook is enqueued through Pay::Webhooks::ProcessJob and can cause a host application to update billing state, provision paid features, record refunds, or trigger customer notifications. This issue is fixed in version 11.6.2."}], "id": "CVE-2026-70658", "lastModified": "2026-09-30T19:09:53.523", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.2, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-70658", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-09-14T18:57:23.905589Z", "version": "2.0.3"}}]}, "published": "2026-09-14T18:19:45.213", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/pay-rails/pay/commit/ba6494109d88209fba2a4df2d9d6373fe81ed805"}, {"source": "security-advisories@github.com", "url": "https://github.com/pay-rails/pay/releases/tag/v11.6.2"}, {"source": "security-advisories@github.com", "url": "https://github.com/pay-rails/pay/security/advisories/GHSA-mjgf-xj26-9qf9"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/pay-rails/pay/security/advisories/GHSA-mjgf-xj26-9qf9"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-208"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,11.6.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "pay", "source": "cna", "vendor": "pay-rails"}, "product": "pay", "vendor": "pay-rails"}], "created": "2026-09-15T13:30:13.454517+00:00", "updated": "2026-09-21T00:30:06.574359+00:00", "vendors": ["pay-rails", "pay-rails$PRODUCT$pay"]}