{"id":"CVE-2026-21850","aliases":["EUVD-2026-118263","GHSA-5x87-xcx3-67x7"],"status":"published","title":"HCL AION is affected by multiple security vulnerabilities.","description":"HCL AION is affected by a vulnerability where user-controlled input could be included in HTTP response headers without proper neutralization of CR/LF characters. This may allow an attacker to inject headers or split responses, potentially resulting in unintended behavior or security impact under certain conditions.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00219,"percentile":0.12501,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-113"],"published":"2026-11-06T13:42:23Z","modified":"2026-11-06T16:17:56Z","products":[{"vendor":"hcl","product":"hcl aion"},{"vendor":"hcl software","product":"hcl aion"}],"references":[{"url":"https://support.hcl-software.com/csm?id=kb_article\u0026sysparm_article=KB0135118"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21850"},{"url":"https://github.com/advisories/GHSA-5x87-xcx3-67x7"}],"sources":{"cve":[{"id":"CVE-2026-21850","title":"HCL AION is affected by multiple security vulnerabilities.","description":"HCL AION is affected by a vulnerability where user-controlled input could be included in HTTP response headers without proper neutralization of CR/LF characters. This may allow an attacker to inject headers or split responses, potentially resulting in unintended behavior or security impact under certain conditions.","status":"published","published":"2026-11-06T13:42:23.589Z","modified":"2026-11-06T15:20:41.582Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-113"],"updated_at":"2026-11-06T16:58:45.944646Z"}],"euvd":[{"id":"EUVD-2026-118263","description":"HCL AION is affected by a vulnerability where user-controlled input could be included in HTTP response headers without proper neutralization of CR/LF characters. This may allow an attacker to inject headers or split responses, potentially resulting in unintended behavior or security impact under certain conditions.","status":"published","published":"2026-11-06T13:42:23Z","modified":"2026-11-06T15:20:41Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-06T18:05:45.455012Z"}],"ghsa":[{"id":"GHSA-5x87-xcx3-67x7","title":"HCL AION is affected by a vulnerability where user-controlled input could be included in HTTP...","description":"HCL AION is affected by a vulnerability where user-controlled input could be included in HTTP response headers without proper neutralization of CR/LF characters. This may allow an attacker to inject headers or split responses, potentially resulting in unintended behavior or security impact under certain conditions.","status":"published","published":"2026-11-06T15:31:26Z","modified":"2026-11-06T15:31:30Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-113"],"updated_at":"2026-11-06T16:00:40.695019Z"}],"nvd":[{"id":"CVE-2026-21850","description":"HCL AION is affected by a vulnerability where user-controlled input could be included in HTTP response headers without proper neutralization of CR/LF characters. This may allow an attacker to inject headers or split responses, potentially resulting in unintended behavior or security impact under certain conditions.","status":"published","published":"2026-11-06T14:17:11.36Z","modified":"2026-11-06T21:30:44.667Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-113"],"updated_at":"2026-11-07T00:02:36.552517Z"}]}}