CVE-2026-129427

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{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "cervantes", "vendor": "CervantesSec", "versions": [{"lessThanOrEqual": "1.3-beta", "status": "affected", "version": "alpha 0.3", "versionType": "custom"}, {"status": "unaffected", "version": "v.1.4.0-beta"}]}], "source": "772f0079-75c2-41ca-913e-d9072716578b"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Stored XSS via avatar upload chained with an authentication bypass in /Attachments leads to ATO\nin Cervantes version v1.3-beta could allow an attacker to execute arbitrary code in another user's browser with elevated privileges"}], "id": "CVE-2026-129427", "lastModified": "2026-11-14T12:17:44.830", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 5.8, "source": "772f0079-75c2-41ca-913e-d9072716578b", "type": "Secondary"}]}, "published": "2026-11-14T12:17:44.720", "references": [{"source": "772f0079-75c2-41ca-913e-d9072716578b", "url": "https://www.grayback.es/advisories"}, {"source": "772f0079-75c2-41ca-913e-d9072716578b", "url": "https://www.grayback.es/en/advisories"}], "sourceIdentifier": "772f0079-75c2-41ca-913e-d9072716578b", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "772f0079-75c2-41ca-913e-d9072716578b", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[alpha 0.3,1.3-beta]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "v.1.4.0-beta"}}], "enrichment": {"confidence": 100.0, "confidence_source": "inferred", "scores": [{"score": 100.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "cervantes", "source": "cna", "vendor": "CervantesSec"}, "product": "cervantes", "vendor": "cervantessec"}], "created": "2026-11-14T13:15:21.832353+00:00", "updated": "2026-11-14T13:15:21.832403+00:00", "vendors": ["cervantessec", "cervantessec$PRODUCT$cervantes"]}