{"id":"GHSA-94g3-g5v7-q4jg","aliases":["CVE-2026-32935"],"title":"phpseclib's AES-CBC unpadding susceptible to padding oracle timing attack","description":"### Impact\nThose using AES in CBC mode may be susceptible to a padding oracle timing attack.\n\n### Patches\nhttps://github.com/phpseclib/phpseclib/commit/ccc21aef71eb170e9bf819b167e67d1fd9e6e788\n\n### Workarounds\nUse AES in CTR, CFB or OFB modes\n\n### References\nhttps://github.com/phpseclib/phpseclib/commit/ccc21aef71eb170e9bf819b167e67d1fd9e6e788","severity":"high","score":8.2,"published":"2026-03-19T16:42:18.000Z","modified":"2026-09-10T03:50:38.415Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"phpseclib/phpseclib","ranges":[{"events":[{"introduced":"3.0.0"},{"fixed":"3.0.50"}],"type":"ECOSYSTEM"}],"versions":["3.0.0","3.0.1","3.0.10","3.0.11","3.0.12","3.0.13","3.0.14","3.0.15","3.0.16","3.0.17","3.0.18","3.0.19","3.0.2","3.0.20","3.0.21","3.0.22","3.0.23","3.0.3","3.0.33","3.0.34","3.0.35","3.0.36","3.0.37","3.0.38","3.0.39","3.0.4","3.0.40","3.0.41","3.0.42","3.0.43","3.0.44","3.0.45","3.0.46","3.0.47","3.0.48","3.0.49","3.0.5","3.0.6","3.0.7","3.0.8","3.0.9"],"fixed":["3.0.50"]},{"ecosystem":"Packagist","name":"phpseclib/phpseclib","ranges":[{"events":[{"introduced":"2.0.0"},{"fixed":"2.0.52"}],"type":"ECOSYSTEM"}],"versions":["2.0.0","2.0.1","2.0.10","2.0.11","2.0.12","2.0.13","2.0.14","2.0.15","2.0.16","2.0.17","2.0.18","2.0.19","2.0.2","2.0.20","2.0.21","2.0.22","2.0.23","2.0.24","2.0.25","2.0.26","2.0.27","2.0.28","2.0.29","2.0.3","2.0.30","2.0.31","2.0.32","2.0.33","2.0.34","2.0.35","2.0.36","2.0.37","2.0.38","2.0.39","2.0.4","2.0.40","2.0.41","2.0.42","2.0.43","2.0.44","2.0.45","2.0.46","2.0.47","2.0.48","2.0.49","2.0.5","2.0.50","2.0.51","2.0.6","2.0.7","2.0.8","2.0.9"],"fixed":["2.0.52"]},{"ecosystem":"Packagist","name":"phpseclib/phpseclib","ranges":[{"events":[{"introduced":"0.1.1"},{"fixed":"1.0.27"}],"type":"ECOSYSTEM"}],"versions":["0.3.0","0.3.1","0.3.10","0.3.5","0.3.6","0.3.7","0.3.8","0.3.9","1.0.0","1.0.1","1.0.10","1.0.11","1.0.12","1.0.13","1.0.14","1.0.15","1.0.16","1.0.17","1.0.18","1.0.19","1.0.2","1.0.20","1.0.21","1.0.22","1.0.23","1.0.24","1.0.25","1.0.26","1.0.3","1.0.4","1.0.5","1.0.6","1.0.7","1.0.8","1.0.9"],"fixed":["1.0.27"]}],"references":["https://github.com/phpseclib/phpseclib/security/advisories/GHSA-94g3-g5v7-q4jg","https://nvd.nist.gov/vuln/detail/CVE-2026-32935","https://github.com/phpseclib/phpseclib/commit/ccc21aef71eb170e9bf819b167e67d1fd9e6e788","https://github.com/phpseclib/phpseclib"],"sources":[{"name":"OSV","id":"GHSA-94g3-g5v7-q4jg","modified":"2026-09-10T03:50:38.415264842Z","url":"https://osv.dev/vulnerability/GHSA-94g3-g5v7-q4jg"}],"assessments":[{"source":"OSV","vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","score":8.2}]}