{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-103436", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "state": "PUBLISHED", "assignerShortName": "mitre", "dateReserved": "2026-09-30T15:38:47.884Z", "datePublished": "2026-09-30T15:38:48.231Z", "dateUpdated": "2026-10-02T16:20:26.467Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unknown", "modules": ["apcupsd-cgi (upsstats.cgi", "multimon.cgi", "upsfstats.cgi)"], "product": "apcupsd", "programFiles": ["src/cgi/upsfetch.c"], "programRoutines": [{"name": "getupsvar"}], "vendor": "apcupsd", "versions": [{"lessThanOrEqual": "3.14.14", "status": "affected", "version": "0", "versionType": "semver"}]}], "descriptions": [{"lang": "en", "value": "apcupsd through 3.14.14 discloses uninitialized stack memory in getupsvar() in src/cgi/upsfetch.c (used by upsstats.cgi, multimon.cgi, and upsfstats.cgi. On the single-field path, when the matched STATUS line has fewer than three whitespace-separated tokens, sscanf(\"%*s %*s %s\", answer) performs no assignment but the function returns success, and thus the caller prints the uninitialized destination buffer into the HTTP response."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-457", "description": "CWE-457 Use of Uninitialized Variable", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-09-30T15:38:48.231Z"}, "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2493140"}, {"url": "https://github.com/therealbstern/apcupsd/blob/224d19d5faa508d04267f6135fe53d50800550de/src/cgi/upsfetch.c#L240"}, {"url": "https://sourceforge.net/projects/apcupsd/"}], "x_generator": {"engine": "CVE-Request-form 0.0.1"}, "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:apcupsd:apcupsd:*:*:*:*:*:*:*:*", "versionEndIncluding": "3.14.14"}]}]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-02T16:20:15.422577Z", "id": "CVE-2026-103436", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-02T16:20:26.467Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-103436", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-02T16:20:15.422577Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-02T16:20:21.698Z"}}], "cna": {"metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.7, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "apcupsd", "modules": ["apcupsd-cgi (upsstats.cgi", "multimon.cgi", "upsfstats.cgi)"], "product": "apcupsd", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "3.14.14"}], "programFiles": ["src/cgi/upsfetch.c"], "defaultStatus": "unknown", "programRoutines": [{"name": "getupsvar"}]}], "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2493140"}, {"url": "https://github.com/therealbstern/apcupsd/blob/224d19d5faa508d04267f6135fe53d50800550de/src/cgi/upsfetch.c#L240"}, {"url": "https://sourceforge.net/projects/apcupsd/"}], "x_generator": {"engine": "CVE-Request-form 0.0.1"}, "descriptions": [{"lang": "en", "value": "apcupsd through 3.14.14 discloses uninitialized stack memory in getupsvar() in src/cgi/upsfetch.c (used by upsstats.cgi, multimon.cgi, and upsfstats.cgi. On the single-field path, when the matched STATUS line has fewer than three whitespace-separated tokens, sscanf(\"%*s %*s %s\", answer) performs no assignment but the function returns success, and thus the caller prints the uninitialized destination buffer into the HTTP response."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-457", "description": "CWE-457 Use of Uninitialized Variable"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apcupsd:apcupsd:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndIncluding": "3.14.14"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-09-30T15:38:48.231Z"}}}, "cveMetadata": {"cveId": "CVE-2026-103436", "state": "PUBLISHED", "dateUpdated": "2026-10-02T16:20:26.467Z", "dateReserved": "2026-09-30T15:38:47.884Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2026-09-30T15:38:48.231Z", "assignerShortName": "mitre"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unknown", "modules": ["apcupsd-cgi (upsstats.cgi", "multimon.cgi", "upsfstats.cgi)"], "product": "apcupsd", "programFiles": ["src/cgi/upsfetch.c"], "programRoutines": [{"name": "getupsvar"}], "vendor": "apcupsd", "versions": [{"lessThanOrEqual": "3.14.14", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "apcupsd through 3.14.14 discloses uninitialized stack memory in getupsvar() in src/cgi/upsfetch.c (used by upsstats.cgi, multimon.cgi, and upsfstats.cgi. On the single-field path, when the matched STATUS line has fewer than three whitespace-separated tokens, sscanf(\"%*s %*s %s\", answer) performs no assignment but the function returns success, and thus the caller prints the uninitialized destination buffer into the HTTP response."}], "id": "CVE-2026-103436", "lastModified": "2026-10-02T17:17:02.550", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "cve@mitre.org", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-103436", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-02T16:20:15.422577Z", "version": "2.0.3"}}]}, "published": "2026-09-30T16:17:09.700", "references": [{"source": "cve@mitre.org", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2493140"}, {"source": "cve@mitre.org", "url": "https://github.com/therealbstern/apcupsd/blob/224d19d5faa508d04267f6135fe53d50800550de/src/cgi/upsfetch.c#L240"}, {"source": "cve@mitre.org", "url": "https://sourceforge.net/projects/apcupsd/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-457"}], "source": "cve@mitre.org", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,3.14.14]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "apcupsd", "source": "cna", "vendor": "apcupsd"}, "product": "apcupsd", "vendor": "apcupsd"}], "created": "2026-09-30T20:15:05.605345+00:00", "title": "Uninitialized Memory Disclosure via CGI in apcupsd", "updated": "2026-10-01T01:00:10.310228+00:00", "vendors": ["apcupsd", "apcupsd$PRODUCT$apcupsd"]}