{"id":"CVE-2026-48722","state":"PUBLISHED","title":"Nextflow: Incorrect default permissions in the nextflow auth login command","description":"Nextflow is a DSL for data-driven computational pipelines. From 25.09.2-edge until 25.10.6 and 26.04.3, nextflow auth login writes Seqera Platform OIDC bearer tokens to ${NXF_HOME:-~/.nextflow}/seqera-auth.config through AuthCommandImpl.writeConfig in plugins/nf-tower/src/main/io/seqera/tower/plugin/auth/AuthCommandImpl.groovy without setting restrictive file permissions, allowing the default umask 022 to create the file with mode 0644. On a multi-user POSIX host, a local user who can traverse the victim's home directory can read seqera-auth.config and impersonate the victim against Seqera Platform within the token's scope. Single-user systems and headless CI runners that do not use the interactive login flow are not affected. This issue is fixed in 25.10.6 and 26.04.3.","publishedAt":"2026-09-15T14:07:45.568Z","updatedAt":"2026-09-17T14:28:18.251Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["nextflow-io nextflow"],"affected":[{"vendor":"nextflow-io","product":"nextflow","versions":[{"version":">= 25.09.2-edge, < 25.10.6","status":"affected"},{"version":">= 25.11.0-edge, < 26.04.3","status":"affected"}]}],"references":["https://github.com/nextflow-io/nextflow/security/advisories/GHSA-92qf-fcph-v5wr","https://github.com/nextflow-io/nextflow/pull/7182","https://github.com/nextflow-io/nextflow/commit/41a5f24afec8a6e9769a24cae5e08b5462fbfdc1","https://github.com/nextflow-io/nextflow/commit/a2813c610a3e7f13d7a0a0b1b543b7ad47586eaa","https://github.com/nextflow-io/nextflow/releases/tag/v25.10.6","https://github.com/nextflow-io/nextflow/releases/tag/v26.04.3"],"weaknesses":["CWE-276","CWE-732"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/48xxx/CVE-2026-48722.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-48722","state":"PUBLISHED","datePublished":"2026-09-15T14:07:45.568Z","dateUpdated":"2026-09-17T14:28:18.251Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-22T18:47:27.756Z"},"containers":{"cna":{"title":"Nextflow: Incorrect default permissions in the nextflow auth login command","descriptions":[{"lang":"en","value":"Nextflow is a DSL for data-driven computational pipelines. From 25.09.2-edge until 25.10.6 and 26.04.3, nextflow auth login writes Seqera Platform OIDC bearer tokens to ${NXF_HOME:-~/.nextflow}/seqera-auth.config through AuthCommandImpl.writeConfig in plugins/nf-tower/src/main/io/seqera/tower/plugin/auth/AuthCommandImpl.groovy without setting restrictive file permissions, allowing the default umask 022 to create the file with mode 0644. On a multi-user POSIX host, a local user who can traverse the victim's home directory can read seqera-auth.config and impersonate the victim against Seqera Platform within the token's scope. Single-user systems and headless CI runners that do not use the interactive login flow are not affected. This issue is fixed in 25.10.6 and 26.04.3."}],"affected":[{"vendor":"nextflow-io","product":"nextflow","versions":[{"version":">= 25.09.2-edge, < 25.10.6","status":"affected"},{"version":">= 25.11.0-edge, < 26.04.3","status":"affected"}]}],"references":[{"url":"https://github.com/nextflow-io/nextflow/security/advisories/GHSA-92qf-fcph-v5wr","name":"https://github.com/nextflow-io/nextflow/security/advisories/GHSA-92qf-fcph-v5wr","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/nextflow-io/nextflow/pull/7182","name":"https://github.com/nextflow-io/nextflow/pull/7182","tags":["x_refsource_MISC"]},{"url":"https://github.com/nextflow-io/nextflow/commit/41a5f24afec8a6e9769a24cae5e08b5462fbfdc1","name":"https://github.com/nextflow-io/nextflow/commit/41a5f24afec8a6e9769a24cae5e08b5462fbfdc1","tags":["x_refsource_MISC"]},{"url":"https://github.com/nextflow-io/nextflow/commit/a2813c610a3e7f13d7a0a0b1b543b7ad47586eaa","name":"https://github.com/nextflow-io/nextflow/commit/a2813c610a3e7f13d7a0a0b1b543b7ad47586eaa","tags":["x_refsource_MISC"]},{"url":"https://github.com/nextflow-io/nextflow/releases/tag/v25.10.6","name":"https://github.com/nextflow-io/nextflow/releases/tag/v25.10.6","tags":["x_refsource_MISC"]},{"url":"https://github.com/nextflow-io/nextflow/releases/tag/v26.04.3","name":"https://github.com/nextflow-io/nextflow/releases/tag/v26.04.3","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":5.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-276","lang":"en","description":"CWE-276: Incorrect Default Permissions","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-732","lang":"en","description":"CWE-732: Incorrect Permission Assignment for Critical Resource","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-09-15T14:07:45.568Z"},"source":{"advisory":"GHSA-92qf-fcph-v5wr","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-17T14:28:06.186459Z","id":"CVE-2026-48722","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-17T14:28:18.251Z"}}]}}}