{"id":"CVE-2025-47771","aliases":["EUVD-2025-18706","GHSA-f5cx-h789-j959"],"status":"published","title":"PowSyBl Core allows deserialization of untrusted SparseMatrix data","description":"PowSyBl (Power System Blocks) is a framework to build power system oriented software. In versions 6.3.0 to 6.7.1, there is a deserialization issue in the read method of the SparseMatrix class that can lead to a wide range of privilege escalations depending on the circumstances. This method takes in an InputStream and returns a SparseMatrix object. This issue has been patched in com.powsybl:powsybl-math: 6.7.2. A workaround for this issue involves not using SparseMatrix deserialization (SparseMatrix.read(...) methods).","severity":{"version":"4.0","score":8.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00515,"percentile":0.44182,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-502"],"published":"2025-06-19T16:19:16Z","modified":"2026-10-28T11:01:47Z","fixes":[{"ecosystem":"Maven","package":"com.powsybl:powsybl-math","fixed_in":["6.7.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"com.powsybl:powsybl-math","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.3.0"},{"last_affected":"6.7.1"},{"fixed":"6.7.2"}]}]},{"source":"osv","ecosystem":"Maven","package":"com.powsybl:powsybl-math","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.3.0"},{"fixed":"6.7.2"}]}],"versions":["6.3.0","6.3.1","6.3.2","6.4.0","6.4.0-RC2","6.4.1","6.5.0","6.5.0-RC1","6.5.1","6.6.0","6.6.0-RC1","6.6.1","6.7.0","6.7.0-RC1","6.7.1"]}],"products":[{"vendor":"powsybl","product":"powsybl-core"}],"references":[{"url":"https://github.com/powsybl/powsybl-core/security/advisories/GHSA-f5cx-h789-j959","tags":["x_refsource_CONFIRM","advisory","web"]},{"url":"https://github.com/powsybl/powsybl-core/commit/8ed16ce41683c4aef5f6aa1dd5ae8642aa5ed2bd","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/powsybl/powsybl-core/releases/tag/v6.7.2","tags":["x_refsource_MISC","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-47771","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-f5cx-h789-j959"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/47xxx/CVE-2025-47771.json","tags":["advisory"]},{"url":"https://github.com/powsybl/powsybl-core","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-47771","title":"PowSyBl Core allows deserialization of untrusted SparseMatrix data","description":"PowSyBl (Power System Blocks) is a framework to build power system oriented software. In versions 6.3.0 to 6.7.1, there is a deserialization issue in the read method of the SparseMatrix class that can lead to a wide range of privilege escalations depending on the circumstances. This method takes in an InputStream and returns a SparseMatrix object. This issue has been patched in com.powsybl:powsybl-math: 6.7.2. A workaround for this issue involves not using SparseMatrix deserialization (SparseMatrix.read(...) methods).","status":"published","published":"2025-06-19T23:41:41.357Z","modified":"2025-06-20T15:55:29.328Z","cvss":[{"version":"4.0","score":8.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U","level":"high","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:32:25.982948Z"}],"euvd":[{"id":"EUVD-2025-18706","description":"PowSyBl (Power System Blocks) is a framework to build power system oriented software. In versions 6.3.0 to 6.7.1, there is a deserialization issue in the read method of the SparseMatrix class that can lead to a wide range of privilege escalations depending on the circumstances. This method takes in an InputStream and returns a SparseMatrix object. This issue has been patched in com.powsybl:powsybl-math: 6.7.2. A workaround for this issue involves not using SparseMatrix deserialization (SparseMatrix.read(...) methods).","status":"published","published":"2025-06-19T23:41:41Z","modified":"2025-06-20T15:55:29Z","cvss":[{"version":"4.0","score":8.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U","level":"high"}],"updated_at":"2026-11-02T20:32:19.507179Z"}],"ghsa":[{"id":"GHSA-f5cx-h789-j959","title":"PowSyBl Core allows deserialization of untrusted SparseMatrix data","description":"### Impact\n_What kind of vulnerability is it? Who is impacted?_\n\nThis is a disclosure for a security vulnerability in the `SparseMatrix` class. The vulnerability is a deserialization issue that\ncan lead to a wide range of privilege escalations depending on the circumstances. The problematic area is the `read` method\nof the `SparseMatrix` class.\nThis method takes in an `InputStream` and returns a `SparseMatrix` object. We consider this to be a method that can be\nexposed to untrusted input in at least two use cases:\n- A user can adopt this method in an application where users can submit an `InputStream` and the application parses it into\na `SparseMatrix`. This can be a multi-tenant application that hosts many different users perhaps with different privilege\nlevels.\n- A user adopts the method for a local tool but receives the `InputStream` from external sources.\n\n#### Am I impacted?\nYou are vulnerable if you import non-controlled serialized `SparseMatrix` objects.\n\n\n### Patches\ncom.powsybl:powsybl-math:6.7.2 and higher\n\n\n### Workarounds\n_Is there a way for users to fix or remediate the vulnerability without upgrading?_\n\nDo not use `SparseMatrix` deserialization (`SparseMatrix.read(...)` methods).\n\n### References\n[powsybl-core v6.7.2](https://github.com/powsybl/powsybl-core/releases/tag/v6.7.2)","status":"published","published":"2025-06-19T16:19:16Z","modified":"2025-06-20T14:19:26Z","cvss":[{"version":"4.0","score":8.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:38:47.835488Z"}],"nvd":[{"id":"CVE-2025-47771","description":"PowSyBl (Power System Blocks) is a framework to build power system oriented software. In versions 6.3.0 to 6.7.1, there is a deserialization issue in the read method of the SparseMatrix class that can lead to a wide range of privilege escalations depending on the circumstances. This method takes in an InputStream and returns a SparseMatrix object. This issue has been patched in com.powsybl:powsybl-math: 6.7.2. A workaround for this issue involves not using SparseMatrix deserialization (SparseMatrix.read(...) methods).","status":"published","published":"2025-06-20T00:15:29.73Z","modified":"2026-06-17T09:28:39.817Z","cvss":[{"version":"4.0","score":8.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/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-502"],"updated_at":"2026-11-02T14:11:13.247441Z"}],"osv":[{"id":"CVE-2025-47771","title":"PowSyBl Core allows deserialization of untrusted SparseMatrix data","description":"PowSyBl (Power System Blocks) is a framework to build power system oriented software. In versions 6.3.0 to 6.7.1, there is a deserialization issue in the read method of the SparseMatrix class that can lead to a wide range of privilege escalations depending on the circumstances. This method takes in an InputStream and returns a SparseMatrix object. This issue has been patched in com.powsybl:powsybl-math: 6.7.2. A workaround for this issue involves not using SparseMatrix deserialization (SparseMatrix.read(...) methods).","status":"published","published":"2025-06-19T23:41:41.357Z","modified":"2026-10-28T11:01:47.58170252Z","cvss":[{"version":"4.0","score":8.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:44:49.707645Z"},{"id":"GHSA-f5cx-h789-j959","title":"PowSyBl Core allows deserialization of untrusted SparseMatrix data","description":"### Impact\n_What kind of vulnerability is it? Who is impacted?_\n\nThis is a disclosure for a security vulnerability in the `SparseMatrix` class. The vulnerability is a deserialization issue that\ncan lead to a wide range of privilege escalations depending on the circumstances. The problematic area is the `read` method\nof the `SparseMatrix` class.\nThis method takes in an `InputStream` and returns a `SparseMatrix` object. We consider this to be a method that can be\nexposed to untrusted input in at least two use cases:\n- A user can adopt this method in an application where users can submit an `InputStream` and the application parses it into\na `SparseMatrix`. This can be a multi-tenant application that hosts many different users perhaps with different privilege\nlevels.\n- A user adopts the method for a local tool but receives the `InputStream` from external sources.\n\n#### Am I impacted?\nYou are vulnerable if you import non-controlled serialized `SparseMatrix` objects.\n\n\n### Patches\ncom.powsybl:powsybl-math:6.7.2 and higher\n\n\n### Workarounds\n_Is there a way for users to fix or remediate the vulnerability without upgrading?_\n\nDo not use `SparseMatrix` deserialization (`SparseMatrix.read(...)` methods).\n\n### References\n[powsybl-core v6.7.2](https://github.com/powsybl/powsybl-core/releases/tag/v6.7.2)","status":"published","published":"2025-06-19T16:19:16Z","modified":"2025-06-20T16:25:12.264474Z","cvss":[{"version":"4.0","score":8.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:46:46.006631Z"}]}}