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vuln-nvd/data/2026/CVE-2026-0864.json
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{"affected":[{"affectedData":[{"defaultStatus":"unaffected","product":"CPython","repo":"https://github.com/python/cpython","vendor":"Python Software Foundation","versions":[{"lessThan":"3.10.21","status":"affected","version":"0","versionType":"python"},{"lessThan":"3.11.16","status":"affected","version":"3.11.0","versionType":"python"},{"lessThan":"3.12.14","status":"affected","version":"3.12.0","versionType":"python"},{"lessThan":"3.13.15","status":"affected","version":"3.13.0","versionType":"python"},{"lessThan":"3.14.7","status":"affected","version":"3.14.0","versionType":"python"},{"lessThan":"3.15.0b4","status":"affected","version":"3.15.0a1","versionType":"python"}]}],"source":"cna@python.org"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:python:python:*:*:*:*:*:*:*:*","matchCriteriaId":"35C0374F-6CC2-4546-8933-B382CD3A9225","versionEndExcluding":"3.10.21","vulnerable":true},{"criteria":"cpe:2.3:a:python:python:*:*:*:*:*:*:*:*","matchCriteriaId":"D409E2A6-22F1-47D5-A273-4772BF45925E","versionEndExcluding":"3.11.16","versionStartIncluding":"3.11.0","vulnerable":true},{"criteria":"cpe:2.3:a:python:python:*:*:*:*:*:*:*:*","matchCriteriaId":"15B3E361-E948-4A55-A163-E681B8E0EF16","versionEndExcluding":"3.12.14","versionStartIncluding":"3.12.0","vulnerable":true},{"criteria":"cpe:2.3:a:python:python:*:*:*:*:*:*:*:*","matchCriteriaId":"7DBD3E4F-47FF-48C4-8A44-D2EC2AF84E3C","versionEndExcluding":"3.13.15","versionStartIncluding":"3.13.0","vulnerable":true},{"criteria":"cpe:2.3:a:python:python:*:*:*:*:*:*:*:*","matchCriteriaId":"4EA7DE57-F5C8-4AD0-A8A8-5E9C3FC75310","versionEndExcluding":"3.14.7","versionStartIncluding":"3.14.0","vulnerable":true},{"criteria":"cpe:2.3:a:python:python:3.15.0:alpha1:*:*:*:*:*:*","matchCriteriaId":"A3327507-0B1D-4F28-A983-D07A2C8A7696","vulnerable":true},{"criteria":"cpe:2.3:a:python:python:3.15.0:alpha2:*:*:*:*:*:*","matchCriteriaId":"C8AF17F1-A27F-4C98-BA5A-B4319710E8D1","vulnerable":true},{"criteria":"cpe:2.3:a:python:python:3.15.0:alpha3:*:*:*:*:*:*","matchCriteriaId":"24CF56B0-2F4E-42A2-B655-F493AA0A4815","vulnerable":true},{"criteria":"cpe:2.3:a:python:python:3.15.0:alpha4:*:*:*:*:*:*","matchCriteriaId":"7184ABBA-B100-489E-B5C1-1C9EEC0546CA","vulnerable":true},{"criteria":"cpe:2.3:a:python:python:3.15.0:alpha5:*:*:*:*:*:*","matchCriteriaId":"B6D4181B-3E1B-499B-AAB1-50868A6A6AD3","vulnerable":true},{"criteria":"cpe:2.3:a:python:python:3.15.0:alpha6:*:*:*:*:*:*","matchCriteriaId":"A52F6DD2-717D-4E8C-8DB7-00890BC1ABAE","vulnerable":true},{"criteria":"cpe:2.3:a:python:python:3.15.0:alpha7:*:*:*:*:*:*","matchCriteriaId":"8C46C55C-801E-4F86-B669-8E6A12B4AB6F","vulnerable":true},{"criteria":"cpe:2.3:a:python:python:3.15.0:alpha8:*:*:*:*:*:*","matchCriteriaId":"5A8DF8E5-61F9-4899-BF40-41A17E223441","vulnerable":true},{"criteria":"cpe:2.3:a:python:python:3.15.0:beta1:*:*:*:*:*:*","matchCriteriaId":"B678A5A5-99CA-45B6-BB73-FB0BD2F7B9A3","vulnerable":true},{"criteria":"cpe:2.3:a:python:python:3.15.0:beta2:*:*:*:*:*:*","matchCriteriaId":"691A8388-A0A3-4630-BB36-F334C670934F","vulnerable":true},{"criteria":"cpe:2.3:a:python:python:3.15.0:beta3:*:*:*:*:*:*","matchCriteriaId":"E1218285-E822-45FD-8F5E-BBC80B93C6DA","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"When using the \"configparser\" module to write configuration files\ncontaining multi-line text values with carriage return characters (\\r) the\nresulting file could be injected with unexpected keys and values if the\nattacker controls the written value."},{"lang":"es","value":"Al usar el módulo ’configparser’ para escribir archivos de configuración que contienen valores de texto multilínea con caracteres de retorno de carro (\\r), el archivo resultante podría ser inyectado con claves y valores inesperados si el atacante controla el valor escrito."}],"id":"CVE-2026-0864","lastModified":"2026-10-25T23:10:00.167","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":5.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","version":"3.1"},"exploitabilityScore":1.8,"impactScore":3.6,"source":"nvd@nist.gov","type":"Primary"}],"cvssMetricV40":[{"cvssData":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"LOCAL","availabilityRequirement":"NOT_DEFINED","baseScore":4.1,"baseSeverity":"MEDIUM","confidentialityRequirement":"NOT_DEFINED","exploitMaturity":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/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","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"source":"cna@python.org","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2026-0864","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-06-23T18:34:23.504725Z","version":"2.0.3"}}]},"published":"2026-06-23T18:17:41.243","references":[{"source":"cna@python.org","tags":["Patch"],"url":"https://github.com/python/cpython/commit/0adb386f6e68eb2e73d32e19f235d012df009528"},{"source":"cna@python.org","tags":["Patch"],"url":"https://github.com/python/cpython/commit/12dcbd74d3563016a8cb8c47e4898889f34f74dd"},{"source":"cna@python.org","tags":["Patch"],"url":"https://github.com/python/cpython/commit/274de100bbf4345bd0c23ef5b446722e9e636908"},{"source":"cna@python.org","tags":["Patch"],"url":"https://github.com/python/cpython/commit/5858e42c539dac8394636a6e9b30472b8994851f"},{"source":"cna@python.org","tags":["Patch"],"url":"https://github.com/python/cpython/commit/71f2e02a52d47417a6fd69f456346cd8aa7aca98"},{"source":"cna@python.org","tags":["Patch"],"url":"https://github.com/python/cpython/commit/aaf850fd333cd89e9aada03d92aaa788a6cb1bb8"},{"source":"cna@python.org","tags":["Patch"],"url":"https://github.com/python/cpython/commit/db4a157c790479710a1a840d7937c5c815a6f8b6"},{"source":"cna@python.org","tags":["Issue Tracking","Patch"],"url":"https://github.com/python/cpython/issues/143927"},{"source":"cna@python.org","tags":["Issue Tracking","Patch"],"url":"https://github.com/python/cpython/pull/151559"},{"source":"cna@python.org","tags":["Mailing List","Vendor Advisory"],"url":"https://mail.python.org/archives/list/security-announce@python.org/thread/CV4NE6AFCRJL7XQOHX7J5TSDHUWVWGJS/"}],"sourceIdentifier":"cna@python.org","vulnStatus":"Analyzed","weaknesses":[{"description":[{"lang":"en","value":"CWE-74"}],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary"}]}