{"id":"CVE-2024-10955","aliases":["EUVD-2025-7047","GHSA-vhfq-gpqw-p5cw","PYSEC-2025-94"],"status":"published","title":"ReDoS (Regular Expression Denial of Service) in gaizhenbiao/chuanhuchatgpt","description":"A Regular Expression Denial of Service (ReDoS) vulnerability exists in gaizhenbiao/chuanhuchatgpt, as of commit 20b2e02. The server uses the regex pattern `r'\u003c[^\u003e]+\u003e'` to parse user input. In Python's default regex engine, this pattern can take polynomial time to match certain crafted inputs. An attacker can exploit this by uploading a malicious JSON payload, causing the server to consume 100% CPU for an extended period. This can lead to a Denial of Service (DoS) condition, potentially affecting the entire server.","severity":{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00744,"percentile":0.5519,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1333","CWE-400"],"published":"2025-03-20T10:11:01Z","modified":"2026-06-17T06:56:46Z","affected":[{"source":"osv","ecosystem":"PyPI","package":"chuanhuchatgpt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2024-09-19"}]}]}],"products":[{"vendor":"gaizhenbiao","product":"chuanhuchatgpt"},{"vendor":"gaizhenbiao","product":"gaizhenbiao/chuanhuchatgpt"}],"references":[{"url":"https://huntr.com/bounties/8291f8d0-5060-47e7-9986-1f411310fb7b","tags":["Exploit","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-10955"},{"url":"https://github.com/advisories/GHSA-vhfq-gpqw-p5cw"}],"sources":{"cve":[{"id":"CVE-2024-10955","title":"ReDoS (Regular Expression Denial of Service) in gaizhenbiao/chuanhuchatgpt","description":"A Regular Expression Denial of Service (ReDoS) vulnerability exists in gaizhenbiao/chuanhuchatgpt, as of commit 20b2e02. The server uses the regex pattern `r'\u003c[^\u003e]+\u003e'` to parse user input. In Python's default regex engine, this pattern can take polynomial time to match certain crafted inputs. An attacker can exploit this by uploading a malicious JSON payload, causing the server to consume 100% CPU for an extended period. This can lead to a Denial of Service (DoS) condition, potentially affecting the entire server.","status":"published","published":"2025-03-20T10:11:01.287Z","modified":"2025-10-15T12:50:14.963Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T14:34:02.321514Z"}],"euvd":[{"id":"EUVD-2025-7047","description":"A Regular Expression Denial of Service (ReDoS) vulnerability exists in gaizhenbiao/chuanhuchatgpt, as of commit 20b2e02. The server uses the regex pattern `r'\u003c[^\u003e]+\u003e'` to parse user input. In Python's default regex engine, this pattern can take polynomial time to match certain crafted inputs. An attacker can exploit this by uploading a malicious JSON payload, causing the server to consume 100% CPU for an extended period. This can lead to a Denial of Service (DoS) condition, potentially affecting the entire server.","status":"published","published":"2025-03-20T10:11:01Z","modified":"2025-10-15T12:50:14Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T20:31:32.071816Z"}],"ghsa":[{"id":"GHSA-vhfq-gpqw-p5cw","title":"A Regular Expression Denial of Service (ReDoS) vulnerability exists in gaizhenbiao/chuanhuchatgpt...","description":"A Regular Expression Denial of Service (ReDoS) vulnerability exists in gaizhenbiao/chuanhuchatgpt, as of commit 20b2e02. The server uses the regex pattern `r'\u003c[^\u003e]+\u003e'` to parse user input. In Python's default regex engine, this pattern can take polynomial time to match certain crafted inputs. An attacker can exploit this by uploading a malicious JSON payload, causing the server to consume 100% CPU for an extended period. This can lead to a Denial of Service (DoS) condition, potentially affecting the entire server.","status":"published","published":"2025-03-20T12:32:41Z","modified":"2025-10-15T15:30:24Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-400","CWE-1333"],"updated_at":"2026-11-02T15:03:59.559504Z"}],"nvd":[{"id":"CVE-2024-10955","description":"A Regular Expression Denial of Service (ReDoS) vulnerability exists in gaizhenbiao/chuanhuchatgpt, as of commit 20b2e02. The server uses the regex pattern `r'\u003c[^\u003e]+\u003e'` to parse user input. In Python's default regex engine, this pattern can take polynomial time to match certain crafted inputs. An attacker can exploit this by uploading a malicious JSON payload, causing the server to consume 100% CPU for an extended period. This can lead to a Denial of Service (DoS) condition, potentially affecting the entire server.","status":"published","published":"2025-03-20T10:15:22.35Z","modified":"2026-06-17T06:56:46.26Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T14:10:45.815983Z"}],"osv":[{"id":"PYSEC-2025-94","description":"A Regular Expression Denial of Service (ReDoS) vulnerability exists in gaizhenbiao/chuanhuchatgpt, as of commit 20b2e02. The server uses the regex pattern `r'\u003c[^\u003e]+\u003e'` to parse user input. In Python's default regex engine, this pattern can take polynomial time to match certain crafted inputs. An attacker can exploit this by uploading a malicious JSON payload, causing the server to consume 100% CPU for an extended period. This can lead to a Denial of Service (DoS) condition, potentially affecting the entire server.","status":"published","published":"2025-03-20T10:15:22.35Z","modified":"2026-05-21T15:00:06.969839296Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:54.242332Z"}]}}