Buffer overflow in Shibby Tomato
CVE-2026-15544
A vulnerability was determined in Shibby Tomato up to 1.28.0000. Affected is the function getupsvar of the file www/apcupsd/tomatodata.cgi of the component apcupsd. This manipulation of the argument Field causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. This project is superseded by FreshTomato.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (55.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Shibby Tomato — versions 1.0, 1.1, 1.2
Weakness classification (CWE)
References
- vuldb.com/vuln/377894 (technical-description, vdb-entry)
- vuldb.com/vuln/377894/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-15544 (third-party-advisory)
- vuldb.com/submit/855110 (third-party-advisory)
- gitee.com/Fengyi-Wang/CVE/issues/IJTQ5M (issue-tracking, exploit)
Frequently asked questions
- What is CVE-2026-15544?
- CVE-2026-15544 is a high-severity vulnerability in Shibby Tomato, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-07-13.
- How severe is CVE-2026-15544?
- High severity. CVSS v3 base score is 8.8 out of 10.