{"id":"CVE-2026-76241","aliases":["EUVD-2026-62405","GHSA-q84h-wr78-498w","GHSA-w7pm-9g55-mxfm"],"status":"published","title":"stigmem Plugin Signature Enforcement Bypass via Configuration","description":"stigmem-node 0.9.0a1 allows plugin signature enforcement to be disabled via a single configuration flag without a second explicit acknowledgment. If that setting is carried into an environment where plugin directories are writable by less-trusted users, unsigned (potentially malicious) plugin code could be loaded and executed, resulting in arbitrary code execution. Fixed in 0.9.0a2, which requires a second explicit acknowledgment to disable signature enforcement.","severity":{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00115,"percentile":0.01547,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-494"],"published":"2026-05-29T22:17:21Z","modified":"2026-10-28T02:30:23Z","fixes":[{"ecosystem":"PyPI","package":"stigmem-node","fixed_in":["0.9.0a2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"stigmem-node","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.0a2"}]}]},{"source":"osv","ecosystem":"PyPI","package":"stigmem-node","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.0a2"}]}],"versions":["0.9.0a1"]}],"products":[{"vendor":"eidetic-labs","product":"stigmem"}],"references":[{"url":"https://github.com/eidetic-labs/stigmem/security/advisories/GHSA-w7pm-9g55-mxfm","tags":["vendor-advisory","advisory","web"]},{"url":"https://www.vulncheck.com/advisories/stigmem-plugin-signature-enforcement-bypass-via-configuration","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-76241","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-q84h-wr78-498w"},{"url":"https://github.com/eidetic-labs/stigmem/blob/v0.9.0a2/CHANGELOG.md#L14-L35","tags":["web"]},{"url":"https://github.com/eidetic-labs/stigmem/blob/v0.9.0a2/SECURITY.md","tags":["web"]},{"url":"https://github.com/eidetic-labs/stigmem/releases/tag/v0.9.0a2","tags":["web"]},{"url":"https://github.com/advisories/GHSA-w7pm-9g55-mxfm"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/76xxx/CVE-2026-76241.json","tags":["advisory"]},{"url":"https://github.com/eidetic-labs/stigmem","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-76241","title":"stigmem Plugin Signature Enforcement Bypass via Configuration","description":"stigmem-node 0.9.0a1 allows plugin signature enforcement to be disabled via a single configuration flag without a second explicit acknowledgment. If that setting is carried into an environment where plugin directories are writable by less-trusted users, unsigned (potentially malicious) plugin code could be loaded and executed, resulting in arbitrary code execution. Fixed in 0.9.0a2, which requires a second explicit acknowledgment to disable signature enforcement.","status":"published","published":"2026-08-19T14:02:18.743Z","modified":"2026-08-21T19:29:28.273Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-494"],"updated_at":"2026-11-02T13:46:21.568011Z"}],"euvd":[{"id":"EUVD-2026-62405","description":"stigmem-node 0.9.0a1 allows plugin signature enforcement to be disabled via a single configuration flag without a second explicit acknowledgment. If that setting is carried into an environment where plugin directories are writable by less-trusted users, unsigned (potentially malicious) plugin code could be loaded and executed, resulting in arbitrary code execution. Fixed in 0.9.0a2, which requires a second explicit acknowledgment to disable signature enforcement.","status":"published","published":"2026-08-19T14:02:18Z","modified":"2026-08-21T19:29:28Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:01:37.198267Z"}],"ghsa":[{"id":"GHSA-q84h-wr78-498w","title":"stigmem-node 0.9.0a1 allows plugin signature enforcement to be disabled via a single...","description":"stigmem-node 0.9.0a1 allows plugin signature enforcement to be disabled via a single configuration flag without a second explicit acknowledgment. If that setting is carried into an environment where plugin directories are writable by less-trusted users, unsigned (potentially malicious) plugin code could be loaded and executed, resulting in arbitrary code execution. Fixed in 0.9.0a2, which requires a second explicit acknowledgment to disable signature enforcement.","status":"published","published":"2026-08-19T15:32:36Z","modified":"2026-08-19T15:32:46Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/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","level":"high"}],"cwes":["CWE-494"],"updated_at":"2026-11-02T15:10:39.892418Z"},{"id":"GHSA-w7pm-9g55-mxfm","title":"stigmem-node's unsigned plugin override could be enabled without a second explicit acknowledgment","description":"### Impact\nA single configuration flag could disable plugin signature enforcement. If an operator unintentionally carried that setting into an environment where plugin paths are writable by less-trusted users, unsigned plugin code could be loaded.\n\n### Patches\nPatched in 0.9.0a2. Disabling plugin signature enforcement now requires a second explicit acknowledgment value.\n\n### Workarounds\nBefore upgrading, keep plugin signing required in all shared or production environments and ensure plugin directories are not writable by untrusted users.\n\n### Upgrade\nUpgrade to the patched release:\n\n```bash\npip install --upgrade --pre stigmem-node\n```\n\nIf developers install through the Stigmem meta-package instead, they should use the matching extra for deployments, for example:\n\n```bash\npip install --upgrade --pre 'stigmem[node]'\n```\n\n### Resources\n- Release: https://github.com/eidetic-labs/stigmem/releases/tag/v0.9.0a2\n- Changelog: https://github.com/eidetic-labs/stigmem/blob/v0.9.0a2/CHANGELOG.md#L14-L35\n- Security policy and posture: https://github.com/eidetic-labs/stigmem/blob/v0.9.0a2/SECURITY.md","status":"published","published":"2026-05-29T22:17:21Z","modified":"2026-05-29T22:17:21Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-494"],"updated_at":"2026-11-02T14:40:15.638885Z"}],"nvd":[{"id":"CVE-2026-76241","description":"stigmem-node 0.9.0a1 allows plugin signature enforcement to be disabled via a single configuration flag without a second explicit acknowledgment. If that setting is carried into an environment where plugin directories are writable by less-trusted users, unsigned (potentially malicious) plugin code could be loaded and executed, resulting in arbitrary code execution. Fixed in 0.9.0a2, which requires a second explicit acknowledgment to disable signature enforcement.","status":"published","published":"2026-08-19T14:17:56.43Z","modified":"2026-09-11T18:28:15.52Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/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","level":"high","assessor":"secondary"}],"cwes":["CWE-494"],"updated_at":"2026-11-02T14:12:39.962615Z"}],"osv":[{"id":"CVE-2026-76241","title":"stigmem Plugin Signature Enforcement Bypass via Configuration","description":"stigmem-node 0.9.0a1 allows plugin signature enforcement to be disabled via a single configuration flag without a second explicit acknowledgment. If that setting is carried into an environment where plugin directories are writable by less-trusted users, unsigned (potentially malicious) plugin code could be loaded and executed, resulting in arbitrary code execution. Fixed in 0.9.0a2, which requires a second explicit acknowledgment to disable signature enforcement.","status":"published","published":"2026-08-19T14:02:18.743Z","modified":"2026-10-28T02:30:23.537203551Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-494"],"updated_at":"2026-11-02T15:45:17.102988Z"},{"id":"GHSA-w7pm-9g55-mxfm","title":"stigmem-node's unsigned plugin override could be enabled without a second explicit acknowledgment","description":"### Impact\nA single configuration flag could disable plugin signature enforcement. If an operator unintentionally carried that setting into an environment where plugin paths are writable by less-trusted users, unsigned plugin code could be loaded.\n\n### Patches\nPatched in 0.9.0a2. Disabling plugin signature enforcement now requires a second explicit acknowledgment value.\n\n### Workarounds\nBefore upgrading, keep plugin signing required in all shared or production environments and ensure plugin directories are not writable by untrusted users.\n\n### Upgrade\nUpgrade to the patched release:\n\n```bash\npip install --upgrade --pre stigmem-node\n```\n\nIf developers install through the Stigmem meta-package instead, they should use the matching extra for deployments, for example:\n\n```bash\npip install --upgrade --pre 'stigmem[node]'\n```\n\n### Resources\n- Release: https://github.com/eidetic-labs/stigmem/releases/tag/v0.9.0a2\n- Changelog: https://github.com/eidetic-labs/stigmem/blob/v0.9.0a2/CHANGELOG.md#L14-L35\n- Security policy and posture: https://github.com/eidetic-labs/stigmem/blob/v0.9.0a2/SECURITY.md","status":"published","published":"2026-05-29T22:17:21Z","modified":"2026-08-20T04:04:14.617153941Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-494"],"updated_at":"2026-11-02T15:46:58.401149Z"}]}}