CVE-2026-0864

{"id": "CVE-2026-0864", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-0864", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-23T18:34:23.504725Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}], "cvssMetricV40": [{"type": "Secondary", "source": "cna@python.org", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 4.1, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "HIGH", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "cna@python.org", "affectedData": [{"repo": "https://github.com/python/cpython", "vendor": "Python Software Foundation", "product": "CPython", "versions": [{"status": "affected", "version": "0", "lessThan": "3.10.21", "versionType": "python"}, {"status": "affected", "version": "3.11.0", "lessThan": "3.11.16", "versionType": "python"}, {"status": "affected", "version": "3.12.0", "lessThan": "3.12.14", "versionType": "python"}, {"status": "affected", "version": "3.13.0", "lessThan": "3.13.15", "versionType": "python"}, {"status": "affected", "version": "3.14.0", "lessThan": "3.14.7", "versionType": "python"}, {"status": "affected", "version": "3.15.0a1", "lessThan": "3.15.0b4", "versionType": "python"}], "defaultStatus": "unaffected"}]}], "published": "2026-06-23T18:17:41.243", "references": [{"url": "https://github.com/python/cpython/commit/0adb386f6e68eb2e73d32e19f235d012df009528", "tags": ["Patch"], "source": "cna@python.org"}, {"url": "https://github.com/python/cpython/commit/12dcbd74d3563016a8cb8c47e4898889f34f74dd", "tags": ["Patch"], "source": "cna@python.org"}, {"url": "https://github.com/python/cpython/commit/274de100bbf4345bd0c23ef5b446722e9e636908", "tags": ["Patch"], "source": "cna@python.org"}, {"url": "https://github.com/python/cpython/commit/5858e42c539dac8394636a6e9b30472b8994851f", "tags": ["Patch"], "source": "cna@python.org"}, {"url": "https://github.com/python/cpython/commit/71f2e02a52d47417a6fd69f456346cd8aa7aca98", "tags": ["Patch"], "source": "cna@python.org"}, {"url": "https://github.com/python/cpython/commit/aaf850fd333cd89e9aada03d92aaa788a6cb1bb8", "tags": ["Patch"], "source": "cna@python.org"}, {"url": "https://github.com/python/cpython/commit/db4a157c790479710a1a840d7937c5c815a6f8b6", "tags": ["Patch"], "source": "cna@python.org"}, {"url": "https://github.com/python/cpython/issues/143927", "tags": ["Issue Tracking", "Patch"], "source": "cna@python.org"}, {"url": "https://github.com/python/cpython/pull/151559", "tags": ["Issue Tracking", "Patch"], "source": "cna@python.org"}, {"url": "https://mail.python.org/archives/list/security-announce@python.org/thread/CV4NE6AFCRJL7XQOHX7J5TSDHUWVWGJS/", "tags": ["Mailing List", "Vendor Advisory"], "source": "cna@python.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-74"}]}], "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 m\u00f3dulo \u2019configparser\u2019 para escribir archivos de configuraci\u00f3n que contienen valores de texto multil\u00ednea con caracteres de retorno de carro (\\r), el archivo resultante podr\u00eda ser inyectado con claves y valores inesperados si el atacante controla el valor escrito."}], "lastModified": "2026-10-25T23:10:00.167", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "35C0374F-6CC2-4546-8933-B382CD3A9225", "versionEndExcluding": "3.10.21"}, {"criteria": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D409E2A6-22F1-47D5-A273-4772BF45925E", "versionEndExcluding": "3.11.16", "versionStartIncluding": "3.11.0"}, {"criteria": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "15B3E361-E948-4A55-A163-E681B8E0EF16", "versionEndExcluding": "3.12.14", "versionStartIncluding": "3.12.0"}, {"criteria": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7DBD3E4F-47FF-48C4-8A44-D2EC2AF84E3C", "versionEndExcluding": "3.13.15", "versionStartIncluding": "3.13.0"}, {"criteria": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4EA7DE57-F5C8-4AD0-A8A8-5E9C3FC75310", "versionEndExcluding": "3.14.7", "versionStartIncluding": "3.14.0"}, {"criteria": "cpe:2.3:a:python:python:3.15.0:alpha1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A3327507-0B1D-4F28-A983-D07A2C8A7696"}, {"criteria": "cpe:2.3:a:python:python:3.15.0:alpha2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C8AF17F1-A27F-4C98-BA5A-B4319710E8D1"}, {"criteria": "cpe:2.3:a:python:python:3.15.0:alpha3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "24CF56B0-2F4E-42A2-B655-F493AA0A4815"}, {"criteria": "cpe:2.3:a:python:python:3.15.0:alpha4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7184ABBA-B100-489E-B5C1-1C9EEC0546CA"}, {"criteria": "cpe:2.3:a:python:python:3.15.0:alpha5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B6D4181B-3E1B-499B-AAB1-50868A6A6AD3"}, {"criteria": "cpe:2.3:a:python:python:3.15.0:alpha6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A52F6DD2-717D-4E8C-8DB7-00890BC1ABAE"}, {"criteria": "cpe:2.3:a:python:python:3.15.0:alpha7:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8C46C55C-801E-4F86-B669-8E6A12B4AB6F"}, {"criteria": "cpe:2.3:a:python:python:3.15.0:alpha8:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5A8DF8E5-61F9-4899-BF40-41A17E223441"}, {"criteria": "cpe:2.3:a:python:python:3.15.0:beta1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B678A5A5-99CA-45B6-BB73-FB0BD2F7B9A3"}, {"criteria": "cpe:2.3:a:python:python:3.15.0:beta2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "691A8388-A0A3-4630-BB36-F334C670934F"}, {"criteria": "cpe:2.3:a:python:python:3.15.0:beta3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E1218285-E822-45FD-8F5E-BBC80B93C6DA"}], "operator": "OR"}]}], "sourceIdentifier": "cna@python.org"}