{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2026-48852","sourceIdentifier":"cve@mitre.org","published":"2026-05-25T21:16:35.543","lastModified":"2026-07-24T10:10:00.197","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"PuTTY 0.71 before 0.84 has an assertion failure in ECDSA signature verification."},{"lang":"es","value":"PuTTY 0.71 anterior a 0.84 tiene un fallo de aserción en la verificación de firma ECDSA."}],"affected":[{"source":"cve@mitre.org","affectedData":[{"vendor":"PuTTY","product":"PuTTY","defaultStatus":"unaffected","versions":[{"version":"0.71","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:N/S:U/C:N/I:N/A:L","baseScore":3.7,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":2.2,"impactScore":1.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-05-26T12:39:09.980944Z","id":"CVE-2026-48852","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-617"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:putty:putty:*:*:*:*:*:*:*:*","versionStartIncluding":"0.71","versionEndExcluding":"0.84","matchCriteriaId":"DBD411E8-7918-4D91-A16A-50C30DD814F4"}]}]}],"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/ecdsa-remotely-triggerable-assertion.html","source":"cve@mitre.org","tags":["Patch","Vendor Advisory"]}]}}