{"id":"CVE-2026-116502","aliases":["EUVD-2026-110316","GHSA-56qq-ww5r-ph3r"],"status":"published","title":"turboderp-org ExLlamaV2 GPTQ Index q_matrix.cu make_sequential out-of-bounds write","description":"A flaw has been found in turboderp-org ExLlamaV2 up to 0.3.2. The impacted element is the function QMatrix::make_sequential of the file exllamav2/exllamav2_ext/cuda/q_matrix.cu of the component GPTQ Index Handler. Executing a manipulation of the argument g_idx can lead to out-of-bounds write. The attack needs to be launched locally. The project was informed of the problem early through an issue report but has not responded yet.","severity":{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00152,"percentile":0.04456,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-787"],"published":"2026-10-26T20:15:07Z","modified":"2026-11-04T02:31:05Z","products":[{"vendor":"turboderp","product":"exllamav2"},{"vendor":"turboderp-org","product":"exllamav2"}],"references":[{"url":"https://vuldb.com/vuln/426401","tags":["vdb-entry","technical-description","advisory"]},{"url":"https://vuldb.com/vuln/426401/cti","tags":["signature","permissions-required","report"]},{"url":"https://vuldb.com/cve/CVE-2026-116502","tags":["third-party-advisory","advisory"]},{"url":"https://vuldb.com/submit/1022425","tags":["third-party-advisory","advisory"]},{"url":"https://github.com/turboderp-org/exllamav2/issues/817","tags":["issue-tracking","report"]},{"url":"https://github.com/turboderp-org/exllamav2/","tags":["product","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-116502","tags":["advisory"]},{"url":"https://github.com/turboderp-org/exllamav2"},{"url":"https://github.com/advisories/GHSA-56qq-ww5r-ph3r"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/116xxx/CVE-2026-116502.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-116502","title":"turboderp-org ExLlamaV2 GPTQ Index q_matrix.cu make_sequential out-of-bounds write","description":"A flaw has been found in turboderp-org ExLlamaV2 up to 0.3.2. The impacted element is the function QMatrix::make_sequential of the file exllamav2/exllamav2_ext/cuda/q_matrix.cu of the component GPTQ Index Handler. Executing a manipulation of the argument g_idx can lead to out-of-bounds write. The attack needs to be launched locally. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-10-26T20:15:07.238Z","modified":"2026-11-02T18:09:11.913Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X","level":"medium","assessor":"cna"},{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:X/RL:X/RC:C","level":"medium","assessor":"cna"},{"version":"3.0","score":4.4,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:X/RL:X/RC:C","level":"medium","assessor":"cna"},{"version":"2.0","score":3.2,"vector":"AV:L/AC:L/Au:S/C:N/I:P/A:P/E:ND/RL:ND/RC:C","assessor":"cna"}],"cwes":["CWE-787","CWE-119"],"updated_at":"2026-11-02T19:47:06.831391Z"}],"euvd":[{"id":"EUVD-2026-110316","description":"A flaw has been found in turboderp-org ExLlamaV2 up to 0.3.2. The impacted element is the function QMatrix::make_sequential of the file exllamav2/exllamav2_ext/cuda/q_matrix.cu of the component GPTQ Index Handler. Executing a manipulation of the argument g_idx can lead to out-of-bounds write. The attack needs to be launched locally. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-10-26T20:15:07Z","modified":"2026-11-02T18:09:11Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X","level":"medium"}],"updated_at":"2026-11-03T05:08:39.228431Z"}],"ghsa":[{"id":"GHSA-56qq-ww5r-ph3r","title":"A flaw has been found in turboderp-org ExLlamaV2 up to 0.3.2. The impacted element is the...","description":"A flaw has been found in turboderp-org ExLlamaV2 up to 0.3.2. The impacted element is the function QMatrix::make_sequential of the file exllamav2/exllamav2_ext/cuda/q_matrix.cu of the component GPTQ Index Handler. Executing a manipulation of the argument g_idx can lead to out-of-bounds write. The attack needs to be launched locally. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-10-26T21:36:26Z","modified":"2026-10-26T21:36:32Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/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":"medium"},{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:14:26.707475Z"}],"nvd":[{"id":"CVE-2026-116502","description":"A flaw has been found in turboderp-org ExLlamaV2 up to 0.3.2. The impacted element is the function QMatrix::make_sequential of the file exllamav2/exllamav2_ext/cuda/q_matrix.cu of the component GPTQ Index Handler. Executing a manipulation of the argument g_idx can lead to out-of-bounds write. The attack needs to be launched locally. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-10-26T21:18:12.097Z","modified":"2026-11-02T19:17:55.303Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/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":"medium","assessor":"secondary"},{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"2.0","score":3.2,"vector":"AV:L/AC:L/Au:S/C:N/I:P/A:P","level":"low","assessor":"secondary"}],"cwes":["CWE-119","CWE-787"],"updated_at":"2026-11-03T00:02:36.126212Z"}],"osv":[{"id":"CVE-2026-116502","title":"turboderp-org ExLlamaV2 GPTQ Index q_matrix.cu make_sequential out-of-bounds write","description":"A flaw has been found in turboderp-org ExLlamaV2 up to 0.3.2. The impacted element is the function QMatrix::make_sequential of the file exllamav2/exllamav2_ext/cuda/q_matrix.cu of the component GPTQ Index Handler. Executing a manipulation of the argument g_idx can lead to out-of-bounds write. The attack needs to be launched locally. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-10-26T20:15:07.238Z","modified":"2026-11-04T02:31:05.144306784Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X","level":"medium"}],"cwes":["CWE-119","CWE-787"],"updated_at":"2026-11-04T02:54:44.889498Z"}]}}