{"id":"CVE-2026-57834","title":"Apache Traffic Server allows request smuggling if chunked messages are malformed.\n\n\n\nThis issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.\n\n\n\nUsers are recommended to …","summary":"Apache Traffic Server allows request smuggling if chunked messages are malformed.\n\n\n\nThis issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.\n\n\n\nUsers are recommended to …","severity":"critical","cvss":10,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L","cwe":["CWE-444"],"vendor":"apache","product":"traffic_server","affected":["traffic_server >= 8.0.0, <= 8.1.9","traffic_server >= 9.0.0, < 9.2.15","traffic_server >= 10.0.0, < 10.1.4"],"patched":["traffic_server 10.1.4"],"published":"2026-07-29","updated":"2026-10-01","sourceUpdated":"2026-10-01T17:17:26.967","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-57834","references":[{"url":"https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d","label":"security@apache.org"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-07-29T00:00:00+00:00"},"epss":0.00609,"epssPercentile":0.47199,"ingestedAt":"2026-10-01T18:55:42.323Z","slug":"CVE-2026-57834","body":"## Overview\n\nApache Traffic Server allows request smuggling if chunked messages are malformed.\n\n\n\nThis issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.\n\n\n\nUsers are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.\n\n## Affected\n\n- `traffic_server >= 8.0.0, <= 8.1.9`\n- `traffic_server >= 9.0.0, < 9.2.15`\n- `traffic_server >= 10.0.0, < 10.1.4`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `traffic_server 10.1.4`","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":55,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}