{"id":"CVE-2025-49597","aliases":["EUVD-2025-18300","GHSA-x3c7-22c8-prg7"],"status":"published","title":"handcraftedinthealps goodby-csv Potential Gadget Chain allowing Remote Code Execution","description":"handcraftedinthealps goodby-csv is a highly memory efficient, flexible and extendable open-source CSV import/export library. Prior to 1.4.3, goodby-csv could be used as part of a chain of methods that is exploitable when an insecure deserialization vulnerability exists in an application. This so-called \"gadget chain\" presents no direct threat but is a vector that can be used to achieve remote code execution if the application deserializes untrusted data due to another vulnerability. The problem is patched with Version 1.4.3.","severity":{"version":"3.1","score":3.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00255,"percentile":0.17238,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-915"],"published":"2025-06-13T19:51:19Z","modified":"2026-11-11T02:46:26Z","fixes":[{"ecosystem":"Packagist","package":"handcraftedinthealps/goodby-csv","fixed_in":["1.4.3"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"handcraftedinthealps/goodby-csv","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.3"}]}]},{"source":"osv","ecosystem":"Packagist","package":"handcraftedinthealps/goodby-csv","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.3"}]}],"versions":["1.4.0","1.4.1","1.4.2"]}],"products":[{"vendor":"handcraftedinthealps","product":"goodby-csv"}],"references":[{"url":"https://github.com/handcraftedinthealps/goodby-csv/security/advisories/GHSA-x3c7-22c8-prg7","tags":["x_refsource_CONFIRM","advisory","web"]},{"url":"https://github.com/handcraftedinthealps/goodby-csv/commit/acd14c6ed85116bb2cb4da35ab62821e5cf54519","tags":["x_refsource_MISC","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-49597","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-x3c7-22c8-prg7"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/49xxx/CVE-2025-49597.json","tags":["advisory"]},{"url":"https://github.com/handcraftedinthealps/goodby-csv","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-49597","title":"handcraftedinthealps goodby-csv Potential Gadget Chain allowing Remote Code Execution","description":"handcraftedinthealps goodby-csv is a highly memory efficient, flexible and extendable open-source CSV import/export library. Prior to 1.4.3, goodby-csv could be used as part of a chain of methods that is exploitable when an insecure deserialization vulnerability exists in an application. This so-called \"gadget chain\" presents no direct threat but is a vector that can be used to achieve remote code execution if the application deserializes untrusted data due to another vulnerability. The problem is patched with Version 1.4.3.","status":"published","published":"2025-06-13T19:51:19.19Z","modified":"2025-06-23T16:08:07.251Z","cvss":[{"version":"3.1","score":3.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-915"],"updated_at":"2026-11-02T14:32:24.825718Z"}],"euvd":[{"id":"EUVD-2025-18300","description":"handcraftedinthealps goodby-csv is a highly memory efficient, flexible and extendable open-source CSV import/export library. Prior to 1.4.3, goodby-csv could be used as part of a chain of methods that is exploitable when an insecure deserialization vulnerability exists in an application. This so-called \"gadget chain\" presents no direct threat but is a vector that can be used to achieve remote code execution if the application deserializes untrusted data due to another vulnerability. The problem is patched with Version 1.4.3.","status":"published","published":"2025-06-13T19:51:19Z","modified":"2025-06-23T16:08:07Z","cvss":[{"version":"3.1","score":3.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"low"}],"updated_at":"2026-11-02T20:32:17.832534Z"}],"ghsa":[{"id":"GHSA-x3c7-22c8-prg7","title":"handcraftedinthealps/goodby-csv has Potential Gadget Chain allowing Remote Code Execution","description":"### Impact\n\ngoodby-csv could be used as part of a chain of methods that is exploitable when an insecure deserialization vulnerability exists in an application. This so-called \"gadget chain\" presents no direct threat but is a vector that can be used to achieve remote code execution if the application deserializes untrusted data due to another vulnerability.\n\n### Patches\n\nHas the problem been patched? What versions should users upgrade to?\n\nThe problem is patched with Version 1.4.3\n\n### Workarounds\n\nPatch `src/Goodby/CSV/Export/Standard/Collection /CallbackCollection.php`:\n\n```diff\n+    public function __wakeup() {\n+       throw new \\BadMethodCallException('Cannot unserialize ' . __CLASS__);\n+    }\n```\n\nHowever, this is not directly exploitable; a separate vulnerability must be present to allow an attacker to pass unsafe input to unserialize(). There are no such known exploits in goodby-csv.\n\n### References\n_Are there any links users can visit to find out more?_","status":"published","published":"2025-06-13T21:09:00Z","modified":"2025-06-14T00:23:22Z","cvss":[{"version":"3.1","score":3.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"low"}],"cwes":["CWE-915"],"updated_at":"2026-11-02T14:38:47.835488Z"}],"nvd":[{"id":"CVE-2025-49597","description":"handcraftedinthealps goodby-csv is a highly memory efficient, flexible and extendable open-source CSV import/export library. Prior to 1.4.3, goodby-csv could be used as part of a chain of methods that is exploitable when an insecure deserialization vulnerability exists in an application. This so-called \"gadget chain\" presents no direct threat but is a vector that can be used to achieve remote code execution if the application deserializes untrusted data due to another vulnerability. The problem is patched with Version 1.4.3.","status":"published","published":"2025-06-13T20:15:23.283Z","modified":"2026-06-17T09:31:33.67Z","cvss":[{"version":"3.1","score":3.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"low","assessor":"secondary"}],"cwes":["CWE-915"],"updated_at":"2026-11-02T14:11:11.789448Z"}],"osv":[{"id":"CVE-2025-49597","title":"handcraftedinthealps goodby-csv Potential Gadget Chain allowing Remote Code Execution","description":"handcraftedinthealps goodby-csv is a highly memory efficient, flexible and extendable open-source CSV import/export library. Prior to 1.4.3, goodby-csv could be used as part of a chain of methods that is exploitable when an insecure deserialization vulnerability exists in an application. This so-called \"gadget chain\" presents no direct threat but is a vector that can be used to achieve remote code execution if the application deserializes untrusted data due to another vulnerability. The problem is patched with Version 1.4.3.","status":"published","published":"2025-06-13T19:51:19.19Z","modified":"2026-11-11T02:46:26.809662425Z","cvss":[{"version":"3.1","score":3.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"low"}],"cwes":["CWE-915"],"updated_at":"2026-11-11T02:50:43.46164Z"},{"id":"GHSA-x3c7-22c8-prg7","title":"handcraftedinthealps/goodby-csv has Potential Gadget Chain allowing Remote Code Execution","description":"### Impact\n\ngoodby-csv could be used as part of a chain of methods that is exploitable when an insecure deserialization vulnerability exists in an application. This so-called \"gadget chain\" presents no direct threat but is a vector that can be used to achieve remote code execution if the application deserializes untrusted data due to another vulnerability.\n\n### Patches\n\nHas the problem been patched? What versions should users upgrade to?\n\nThe problem is patched with Version 1.4.3\n\n### Workarounds\n\nPatch `src/Goodby/CSV/Export/Standard/Collection /CallbackCollection.php`:\n\n```diff\n+    public function __wakeup() {\n+       throw new \\BadMethodCallException('Cannot unserialize ' . __CLASS__);\n+    }\n```\n\nHowever, this is not directly exploitable; a separate vulnerability must be present to allow an attacker to pass unsafe input to unserialize(). There are no such known exploits in goodby-csv.\n\n### References\n_Are there any links users can visit to find out more?_","status":"published","published":"2025-06-13T21:09:00Z","modified":"2025-06-14T00:27:21.99478Z","cvss":[{"version":"3.1","score":3.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"low"}],"cwes":["CWE-915"],"updated_at":"2026-11-02T15:46:59.484835Z"}]}}