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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Apcupsd Subscribe
Apcupsd Subscribe

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://bugzilla.redhat.com/show_bug.cgi?id=2493140 cve-icon cve-icon
https://github.com/therealbstern/apcupsd/blob/224d19d5faa508d04267f6135fe53d50800550de/src/cgi/upsfetch.c#L240 cve-icon cve-icon
https://sourceforge.net/projects/apcupsd/ cve-icon cve-icon
History

Wed, 30 Sep 2026 17:15:00 +0000

Type Values Removed Values Added
Title Stack-based Buffer Overflow in apcupsd CGI Scripts via sscanf

Wed, 30 Sep 2026 15:45:00 +0000

Type Values Removed Values Added
Description 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.
First Time appeared Apcupsd
Apcupsd apcupsd
Weaknesses CWE-121
CPEs cpe:2.3:a:apcupsd:apcupsd:*:*:*:*:*:*:*:*
Vendors & Products Apcupsd
Apcupsd apcupsd
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-09-30T15:31:08.092Z

Reserved: 2026-09-30T15:31:07.713Z

Link: CVE-2026-103432

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-09-30T16:17:09.533

Modified: 2026-09-30T17:32:07.107

Link: CVE-2026-103432

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-30T17:00:16Z

Weaknesses