{"items":[{"id":"NVI-00010630","kind":"vulnerability","title":"IzPack has Path Traversal in UnpackerBase that allows writing files outside the installation directory via malicious pack entries","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-f63g-88cj-hjf9","CVE-2026-54550"],"plain_summary":"GitHub lists this reviewed advisory for org.codehaus.izpack:izpack-installer. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-232be69800cdefecbeed1d9389cf4647"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-27T15:06:12.000Z","value":"7.4 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-7629a3b01656fe74add110de03d8a69d"},{"kind":"CVSS","as_of":"2026-09-09T21:09:13.080Z","value":"7.4 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-3ec09bfd04b281af5769232da0c746c7"},{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.452%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.39257. Missing scores are unknown.","source_id":"sr-232be69800cdefecbeed1d9389cf4647"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-7629a3b01656fe74add110de03d8a69d","url":"https://github.com/advisories/GHSA-f63g-88cj-hjf9","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-f63g-88cj-hjf9","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:06:46.371Z"},{"id":"sr-3ec09bfd04b281af5769232da0c746c7","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54550","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-54550","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T22:35:50.402Z"},{"id":"sr-232be69800cdefecbeed1d9389cf4647","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-54550","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.857Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-7629a3b01656fe74add110de03d8a69d"],"technology":"org.codehaus.izpack:izpack-installer","known_exclusions":[],"conditions_summary":"### Summary\n\nIzPack's `UnpackerBase.unpack()` resolves pack-file target paths without any\ncanonical-path or directory-containment check. An attacker who distributes a\ntrojanized installer JAR (the format is unsigned) can include pack entries whose\n`targetPath` contains `../` sequences. When a victim runs the installer the\nfile is written to an attacker-chosen location on disk under the victim's\nprivileges — including startup folders, PATH directories, or system locations.\n\n### Details\n\n**Vulnerable method:** `com.izforge.izpack.installer.unpacker.UnpackerBase.unpack()`\n**Source file:** `izpack-installer/src/main/java/com/izforge/izpack/installer/unpacker/UnpackerBase.java`\n**Vulnerable lines (5.2.4):** ~618–627\n\nThe relevant code path is:\n\n```java\nString targetPath = packFile.getTargetPath();             // attacker-controlled\nString path       = IoHelper.translatePath(targetPath, variables); // separator swap ONLY\nFile   target     = new File(path);                       // no canonical check\n// ... mkdirs() then file is written to `target`\n```\n\n`IoHelper.translatePath()` (source: `izpack-util/.../IoHelper.java`) performs\n**only** file-separator character conversion (`'/'` ↔ `File","public_affected_ranges":["< 5.2.7"]}],"null_published_at":"2026-11-07T14:01:58.742Z","source_updated_at":"2026-10-27T15:06:12.000Z","source_disclosed_at":"2026-08-26T14:24:40.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T22:06:46.371Z"},{"id":"NVI-00010630","kind":"vulnerability","title":"IzPack has Path Traversal in UnpackerBase that allows writing files outside the installation directory via malicious pack entries","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-f63g-88cj-hjf9","CVE-2026-54550"],"plain_summary":"GitHub lists this reviewed advisory for org.codehaus.izpack:izpack-installer. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-3ec09bfd04b281af5769232da0c746c7"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-27T15:06:12.000Z","value":"7.4 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-7629a3b01656fe74add110de03d8a69d"},{"kind":"CVSS","as_of":"2026-09-09T21:09:13.080Z","value":"7.4 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-3ec09bfd04b281af5769232da0c746c7"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-7629a3b01656fe74add110de03d8a69d","url":"https://github.com/advisories/GHSA-f63g-88cj-hjf9","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-f63g-88cj-hjf9","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:06:46.371Z"},{"id":"sr-3ec09bfd04b281af5769232da0c746c7","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54550","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-54550","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T22:35:50.402Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-7629a3b01656fe74add110de03d8a69d"],"technology":"org.codehaus.izpack:izpack-installer","known_exclusions":[],"conditions_summary":"### Summary\n\nIzPack's `UnpackerBase.unpack()` resolves pack-file target paths without any\ncanonical-path or directory-containment check. An attacker who distributes a\ntrojanized installer JAR (the format is unsigned) can include pack entries whose\n`targetPath` contains `../` sequences. When a victim runs the installer the\nfile is written to an attacker-chosen location on disk under the victim's\nprivileges — including startup folders, PATH directories, or system locations.\n\n### Details\n\n**Vulnerable method:** `com.izforge.izpack.installer.unpacker.UnpackerBase.unpack()`\n**Source file:** `izpack-installer/src/main/java/com/izforge/izpack/installer/unpacker/UnpackerBase.java`\n**Vulnerable lines (5.2.4):** ~618–627\n\nThe relevant code path is:\n\n```java\nString targetPath = packFile.getTargetPath();             // attacker-controlled\nString path       = IoHelper.translatePath(targetPath, variables); // separator swap ONLY\nFile   target     = new File(path);                       // no canonical check\n// ... mkdirs() then file is written to `target`\n```\n\n`IoHelper.translatePath()` (source: `izpack-util/.../IoHelper.java`) performs\n**only** file-separator character conversion (`'/'` ↔ `File","public_affected_ranges":["< 5.2.7"]}],"null_published_at":"2026-11-04T10:04:35.938Z","source_updated_at":"2026-10-27T15:06:12.000Z","source_disclosed_at":"2026-08-26T14:24:40.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T22:06:46.371Z"},{"id":"NVI-00010630","kind":"vulnerability","title":"IzPack has Path Traversal in UnpackerBase that allows writing files outside the installation directory via malicious pack entries","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-f63g-88cj-hjf9","CVE-2026-54550"],"plain_summary":"GitHub lists this reviewed advisory for org.codehaus.izpack:izpack-installer. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-7629a3b01656fe74add110de03d8a69d"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-27T15:06:12.000Z","value":"7.4 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-7629a3b01656fe74add110de03d8a69d"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-7629a3b01656fe74add110de03d8a69d","url":"https://github.com/advisories/GHSA-f63g-88cj-hjf9","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-f63g-88cj-hjf9","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:06:46.371Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-7629a3b01656fe74add110de03d8a69d"],"technology":"org.codehaus.izpack:izpack-installer","known_exclusions":[],"conditions_summary":"### Summary\n\nIzPack's `UnpackerBase.unpack()` resolves pack-file target paths without any\ncanonical-path or directory-containment check. An attacker who distributes a\ntrojanized installer JAR (the format is unsigned) can include pack entries whose\n`targetPath` contains `../` sequences. When a victim runs the installer the\nfile is written to an attacker-chosen location on disk under the victim's\nprivileges — including startup folders, PATH directories, or system locations.\n\n### Details\n\n**Vulnerable method:** `com.izforge.izpack.installer.unpacker.UnpackerBase.unpack()`\n**Source file:** `izpack-installer/src/main/java/com/izforge/izpack/installer/unpacker/UnpackerBase.java`\n**Vulnerable lines (5.2.4):** ~618–627\n\nThe relevant code path is:\n\n```java\nString targetPath = packFile.getTargetPath();             // attacker-controlled\nString path       = IoHelper.translatePath(targetPath, variables); // separator swap ONLY\nFile   target     = new File(path);                       // no canonical check\n// ... mkdirs() then file is written to `target`\n```\n\n`IoHelper.translatePath()` (source: `izpack-util/.../IoHelper.java`) performs\n**only** file-separator character conversion (`'/'` ↔ `File","public_affected_ranges":["< 5.2.7"]}],"null_published_at":"2026-10-31T22:27:09.626Z","source_updated_at":"2026-10-27T15:06:12.000Z","source_disclosed_at":"2026-08-26T14:24:40.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T22:06:46.371Z"}],"next_cursor":null,"snapshot_revision":"42594"}