{"id":"CVE-2026-40955","aliases":["EUVD-2026-44788","GHSA-69fj-7q6w-ccg6"],"status":"published","title":"Integer underflow vulnerability in Secure Access clients","description":"CVE-2026-40955 is an integer underflow\nvulnerability in the traffic parsing function of Secure Access clients prior to\n14.55. Attackers with intimate knowledge of and total control over the tunnel\nprotocol can create a non-persistent DoS against their client.","severity":{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00321,"percentile":0.25241,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-191"],"published":"2026-07-15T19:50:55Z","modified":"2026-10-24T21:10:00Z","products":[{"vendor":"absolute","product":"secure_access"},{"vendor":"absolute security","product":"secure access"},{"vendor":"absolute software","product":"secure access"}],"references":[{"url":"https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-40955","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40955"},{"url":"https://github.com/advisories/GHSA-69fj-7q6w-ccg6"}],"sources":{"cve":[{"id":"CVE-2026-40955","title":"Integer underflow vulnerability in Secure Access clients","description":"CVE-2026-40955 is an integer underflow\nvulnerability in the traffic parsing function of Secure Access clients prior to\n14.55. Attackers with intimate knowledge of and total control over the tunnel\nprotocol can create a non-persistent DoS against their client.","status":"published","published":"2026-07-15T19:50:55.979Z","modified":"2026-07-16T13:13:12.587Z","cvss":[{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"low","assessor":"cna"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T13:43:11.445168Z"}],"euvd":[{"id":"EUVD-2026-44788","description":"CVE-2026-40955 is an integer underflow\nvulnerability in the traffic parsing function of Secure Access clients prior to\n14.55. Attackers with intimate knowledge of and total control over the tunnel\nprotocol can create a non-persistent DoS against their client.","status":"published","published":"2026-07-15T19:50:55Z","modified":"2026-07-16T13:13:12Z","cvss":[{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"low"}],"updated_at":"2026-11-02T18:19:51.881225Z"}],"ghsa":[{"id":"GHSA-69fj-7q6w-ccg6","title":"CVE-2026-40955 is an integer underflow\nvulnerability in the traffic parsing function of Secure...","description":"CVE-2026-40955 is an integer underflow\nvulnerability in the traffic parsing function of Secure Access clients prior to\n14.55. Attackers with intimate knowledge of and total control over the tunnel\nprotocol can create a non-persistent DoS against their client.","status":"published","published":"2026-07-15T21:31:23Z","modified":"2026-07-16T03:32:44Z","cvss":[{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:N/VI:N/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":"low"},{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T15:09:33.182129Z"}],"nvd":[{"id":"CVE-2026-40955","description":"CVE-2026-40955 is an integer underflow\nvulnerability in the traffic parsing function of Secure Access clients prior to\n14.55. Attackers with intimate knowledge of and total control over the tunnel\nprotocol can create a non-persistent DoS against their client.","status":"published","published":"2026-07-15T20:16:59.893Z","modified":"2026-10-24T21:10:00.13Z","cvss":[{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:N/VI:N/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":"low","assessor":"secondary"},{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"primary"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T14:12:29.879716Z"}]}}