{"id":"CVE-2026-50787","aliases":["EUVD-2026-109108","GHSA-x2cv-c5p2-8w76"],"status":"published","title":"e-SIC Livre (esiclivre) v0.2.2 and earlier contains an uncontrolled resource consumption...","description":"e-SIC Livre (esiclivre) v0.2.2 and earlier contains an uncontrolled resource consumption vulnerability in restrito/inc/captcha.php. The application uses user-supplied parameters (l, a, tf, ql) without validation to generate CAPTCHA images, allowing remote attackers to cause denial of service via excessive memory and CPU consumption.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.0049,"percentile":0.42623,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-400"],"published":"2026-10-23T00:00:00Z","modified":"2026-10-28T02:30:36Z","exploits":[{"source":"pocgithub","id":"brynax/CVE-2026-50787","title":"brynax/CVE-2026-50787","date":"2026-08-27","url":"https://github.com/brynax/CVE-2026-50787"}],"references":[{"url":"https://github.com/esiclivre/esiclivre/blob/master/restrito/inc/captcha.php","tags":["web"]},{"url":"https://github.com/brynax/CVE-2026-50787","tags":["package"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-50787","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-x2cv-c5p2-8w76"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/50xxx/CVE-2026-50787.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-50787","description":"e-SIC Livre (esiclivre) v0.2.2 and earlier contains an uncontrolled resource consumption vulnerability in restrito/inc/captcha.php. The application uses user-supplied parameters (l, a, tf, ql) without validation to generate CAPTCHA images, allowing remote attackers to cause denial of service via excessive memory and CPU consumption.","status":"published","published":"2026-10-23T00:00:00Z","modified":"2026-10-26T17:37:58.399Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:20:09.098623Z"}],"euvd":[{"id":"EUVD-2026-109108","description":"e-SIC Livre (esiclivre) v0.2.2 and earlier contains an uncontrolled resource consumption vulnerability in restrito/inc/captcha.php. The application uses user-supplied parameters (l, a, tf, ql) without validation to generate CAPTCHA images, allowing remote attackers to cause denial of service via excessive memory and CPU consumption.","status":"published","published":"2026-10-23T00:00:00Z","modified":"2026-10-26T17:37:58Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T16:59:28.784227Z"}],"ghsa":[{"id":"GHSA-x2cv-c5p2-8w76","title":"e-SIC Livre (esiclivre) v0.2.2 and earlier contains an uncontrolled resource consumption...","description":"e-SIC Livre (esiclivre) v0.2.2 and earlier contains an uncontrolled resource consumption vulnerability in restrito/inc/captcha.php. The application uses user-supplied parameters (l, a, tf, ql) without validation to generate CAPTCHA images, allowing remote attackers to cause denial of service via excessive memory and CPU consumption.","status":"published","published":"2026-10-23T18:31:36Z","modified":"2026-10-26T18:33:51Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:14:25.232123Z"}],"nvd":[{"id":"CVE-2026-50787","description":"e-SIC Livre (esiclivre) v0.2.2 and earlier contains an uncontrolled resource consumption vulnerability in restrito/inc/captcha.php. The application uses user-supplied parameters (l, a, tf, ql) without validation to generate CAPTCHA images, allowing remote attackers to cause denial of service via excessive memory and CPU consumption.","status":"published","published":"2026-10-23T16:16:51.733Z","modified":"2026-10-26T18:17:48.85Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:13:03.126833Z"}],"osv":[{"id":"CVE-2026-50787","description":"e-SIC Livre (esiclivre) v0.2.2 and earlier contains an uncontrolled resource consumption vulnerability in restrito/inc/captcha.php. The application uses user-supplied parameters (l, a, tf, ql) without validation to generate CAPTCHA images, allowing remote attackers to cause denial of service via excessive memory and CPU consumption.","status":"published","published":"2026-10-23T00:00:00Z","modified":"2026-10-28T02:30:36.939099598Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:07.431113Z"}]}}