{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-09-30T08:25:58.651","vulnerabilities":[{"cve":{"id":"CVE-2026-2968","sourceIdentifier":"cna@vuldb.com","published":"2026-02-23T04:16:02.283","lastModified":"2026-06-17T10:32:08.283","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"A vulnerability was detected in Cesanta Mongoose up to 7.20. This impacts the function mg_chacha20_poly1305_decrypt of the file /src/tls_chacha20.c of the component Poly1305 Authentication Tag Handler. The manipulation results in improper verification of cryptographic signature. The attack may be launched remotely. This attack is characterized by high complexity. The exploitability is said to be difficult. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."},{"lang":"es","value":"Se detectó una vulnerabilidad en Cesanta Mongoose hasta 7.20 que afecta a la función mg_chacha20_poly1305_decrypt del archivo /src/tls_chacha20.c del componente Gestor de Etiquetas de Autenticación Poly1305. Si se manipula se puede lograr una verificación impropia de la firma criptográfica. El ataque puede lanzarse en remoto. Este ataque se caracteriza por una alta complejidad y es difícil de explotar. El exploit ahora es público y puede ser usado. El proveedor fue contactado con anterioridad sobre esta divulgación, pero no respondió de ninguna manera."}],"affected":[{"source":"cna@vuldb.com","affectedData":[{"vendor":"Cesanta","product":"Mongoose","cpes":["cpe:2.3:a:cesanta:mongoose:*:*:*:*:*:*:*:*"],"modules":["Poly1305 Authentication Tag Handler"],"versions":[{"version":"7.0","status":"affected"},{"version":"7.1","status":"affected"},{"version":"7.2","status":"affected"},{"version":"7.3","status":"affected"},{"version":"7.4","status":"affected"},{"version":"7.5","status":"affected"},{"version":"7.6","status":"affected"},{"version":"7.7","status":"affected"},{"version":"7.8","status":"affected"},{"version":"7.9","status":"affected"},{"version":"7.10","status":"affected"},{"version":"7.11","status":"affected"},{"version":"7.12","status":"affected"},{"version":"7.13","status":"affected"},{"version":"7.14","status":"affected"},{"version":"7.15","status":"affected"},{"version":"7.16","status":"affected"},{"version":"7.17","status":"affected"},{"version":"7.18","status":"affected"},{"version":"7.19","status":"affected"},{"version":"7.20","status":"affected"}]}]}],"metrics":{"cvssMetricV40":[{"source":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":2.9,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"PROOF_OF_CONCEPT","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"source":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","baseScore":3.7,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.2,"impactScore":1.4}],"cvssMetricV2":[{"source":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:H/Au:N/C:N/I:P/A:N","baseScore":2.6,"accessVector":"NETWORK","accessComplexity":"HIGH","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"},"baseSeverity":"LOW","exploitabilityScore":4.9,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-02-23T17:26:42.762866Z","id":"CVE-2026-2968","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"cna@vuldb.com","type":"Secondary","description":[{"lang":"en","value":"CWE-345"},{"lang":"en","value":"CWE-347"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:cesanta:mongoose:*:*:*:*:*:*:*:*","versionEndIncluding":"7.20","matchCriteriaId":"83B5780A-1BF9-4983-A2BD-0E278131D841"}]}]}],"references":[{"url":"https://github.com/dwBruijn/CVEs/blob/main/Mongoose/ChaCha20Poly1305.md","source":"cna@vuldb.com","tags":["Exploit","Third Party Advisory"]},{"url":"https://github.com/dwBruijn/CVEs/blob/main/Mongoose/ChaCha20Poly1305.md#poc","source":"cna@vuldb.com","tags":["Exploit","Third Party Advisory"]},{"url":"https://vuldb.com/?ctiid.347335","source":"cna@vuldb.com","tags":["Permissions Required","VDB Entry"]},{"url":"https://vuldb.com/?id.347335","source":"cna@vuldb.com","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://vuldb.com/?submit.757091","source":"cna@vuldb.com","tags":["Third Party Advisory","VDB Entry"]}]}}]}