{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2026-48851","sourceIdentifier":"cve@mitre.org","published":"2026-05-25T21:16:35.400","lastModified":"2026-07-24T10:10:00.197","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"PuTTY 0.77 before 0.84 uses a copy of the PuTTY icon as a trust indication for TELNET data but the trust status is not cleared between proxy authentication and the main session."},{"lang":"es","value":"PuTTY 0.77 anterior a 0.84 utiliza una copia del icono de PuTTY como una indicación de confianza para datos TELNET pero el estado de confianza no se borra entre la autenticación de proxy y la sesión principal."}],"affected":[{"source":"cve@mitre.org","affectedData":[{"vendor":"PuTTY","product":"PuTTY","defaultStatus":"unaffected","versions":[{"version":"0.77","lessThan":"0.84","versionType":"custom","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"cve@mitre.org","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","baseScore":3.1,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":1.6,"impactScore":1.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-05-26T12:40:42.460737Z","id":"CVE-2026-48851","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"cve@mitre.org","type":"Secondary","description":[{"lang":"en","value":"CWE-451"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:putty:putty:*:*:*:*:*:*:*:*","versionStartIncluding":"0.77","versionEndExcluding":"0.84","matchCriteriaId":"FF65EC81-FDC8-42A3-9608-A005EAA76A21"}]}]}],"references":[{"url":"https://lists.tartarus.org/pipermail/putty-announce/2026/000042.html","source":"cve@mitre.org","tags":["Release Notes"]},{"url":"https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/telnet-trust-sigil.html","source":"cve@mitre.org","tags":["Patch","Vendor Advisory"]}]}}