{"id":"CVE-2026-103432","title":"apcupsd through 3.14.14 has an sscanf stack-based buffer overflow in getupsvar() in src/cgi/upsfetch.c (used by upsstats.cgi, multimon.cgi, and upsfstats.cgi), a related issue to CVE-2026-15544.","summary":"apcupsd through 3.14.14 has an sscanf stack-based buffer overflow in getupsvar() in src/cgi/upsfetch.c (used by upsstats.cgi, multimon.cgi, and upsfstats.cgi), a related issue to CVE-2026-15544.","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-121"],"vendor":"apcupsd","product":"apcupsd","affected":["apcupsd <= 3.14.14"],"published":"2026-09-30","updated":"2026-09-30","sourceUpdated":"2026-09-30T20:17:31.130","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-103432","references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2493140","label":"cve@mitre.org"},{"url":"https://github.com/therealbstern/apcupsd/blob/224d19d5faa508d04267f6135fe53d50800550de/src/cgi/upsfetch.c#L240","label":"cve@mitre.org"},{"url":"https://sourceforge.net/projects/apcupsd/","label":"cve@mitre.org"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-103432.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-103432"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-103432"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-30T19:35:14.295763Z"},"ingestedAt":"2026-09-30T16:10:07.783Z","epss":0.0038,"epssPercentile":0.31826,"slug":"CVE-2026-103432","body":"## Overview\n\napcupsd through 3.14.14 has an sscanf stack-based buffer overflow in getupsvar() in src/cgi/upsfetch.c (used by upsstats.cgi, multimon.cgi, and upsfstats.cgi), a related issue to CVE-2026-15544.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · updated 2026-09-30 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-103432.json)","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}