{"id":"CVE-2026-39958","state":"PUBLISHED","title":"oma-topic: name Field in Topic Manifests (topic.json) May Allow CRLF Injection","description":"oma is a package manager for AOSC OS. Prior to 1.25.2, oma-topics is responsible for fetching metadata for testing repositories (topics) named \"Topic Manifests\" ({mirror}/debs/manifest/topics.json) from remote repository servers, registering them as APT source entries. However, the name field in said metadata were not checked for transliteration. In this case, a malicious party may supply a malformed Topic Manifest, which may cause malicious APT source entries to be added to /etc/apt/sources.list.d/atm.list as oma-topics finishes fetching and registering metadata. This vulnerability is fixed in 1.25.2.","publishedAt":"2026-04-09T16:28:18.758Z","updatedAt":"2026-04-13T20:08:17.849Z","severity":{"score":5.2,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["AOSC-Dev oma"],"affected":[{"vendor":"AOSC-Dev","product":"oma","versions":[{"version":"< 1.25.1","status":"affected"}]}],"references":["https://github.com/AOSC-Dev/oma/security/advisories/GHSA-86jc-7r6q-cr3f","https://github.com/AOSC-Dev/oma/pull/733","https://github.com/AOSC-Dev/oma/commit/b361c0f219bbf91a684610c76210f71f093dbc18","https://github.com/AOSC-Dev/oma/releases/tag/v1.25.2"],"weaknesses":["CWE-93"],"ingestedAt":"2026-10-29T20:11:50.837Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/39xxx/CVE-2026-39958.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-39958","state":"PUBLISHED","datePublished":"2026-04-09T16:28:18.758Z","dateUpdated":"2026-04-13T20:08:17.849Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-04-07T22:40:33.822Z"},"containers":{"cna":{"title":"oma-topic: name Field in Topic Manifests (topic.json) May Allow CRLF Injection","descriptions":[{"lang":"en","value":"oma is a package manager for AOSC OS. Prior to 1.25.2, oma-topics is responsible for fetching metadata for testing repositories (topics) named \"Topic Manifests\" ({mirror}/debs/manifest/topics.json) from remote repository servers, registering them as APT source entries. However, the name field in said metadata were not checked for transliteration. In this case, a malicious party may supply a malformed Topic Manifest, which may cause malicious APT source entries to be added to /etc/apt/sources.list.d/atm.list as oma-topics finishes fetching and registering metadata. This vulnerability is fixed in 1.25.2."}],"affected":[{"vendor":"AOSC-Dev","product":"oma","versions":[{"version":"< 1.25.1","status":"affected"}]}],"references":[{"url":"https://github.com/AOSC-Dev/oma/security/advisories/GHSA-86jc-7r6q-cr3f","name":"https://github.com/AOSC-Dev/oma/security/advisories/GHSA-86jc-7r6q-cr3f","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/AOSC-Dev/oma/pull/733","name":"https://github.com/AOSC-Dev/oma/pull/733","tags":["x_refsource_MISC"]},{"url":"https://github.com/AOSC-Dev/oma/commit/b361c0f219bbf91a684610c76210f71f093dbc18","name":"https://github.com/AOSC-Dev/oma/commit/b361c0f219bbf91a684610c76210f71f093dbc18","tags":["x_refsource_MISC"]},{"url":"https://github.com/AOSC-Dev/oma/releases/tag/v1.25.2","name":"https://github.com/AOSC-Dev/oma/releases/tag/v1.25.2","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"HIGH","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","subAvailabilityImpact":"HIGH","baseScore":5.2,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-93","lang":"en","description":"CWE-93: Improper Neutralization of CRLF Sequences ('CRLF Injection')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-04-09T16:28:18.758Z"},"source":{"advisory":"GHSA-86jc-7r6q-cr3f","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.1,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-04-13T20:07:48.795530Z","id":"CVE-2026-39958","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-13T20:08:17.849Z"}}]}}}