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TI-2026-13083 Aliases CVE-2026-15544GHSA-hp2q-5cpp-5m3x

Shibby Tomato apcupsd tomatodata.cgi getupsvar stack-based overflow

Priority HIGH 73CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

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 This project is superseded by FreshTomato.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00792 56th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ShibbyTomato1.0; 1.1; 1.2; 1.3; 1.4; 1.5; 1.6; 1.7; 1.8; 1.9; 1.10; 1.11; 1.12; 1.13; 1.14; 1.15; 1.16; 1.17; 1.18; 1.19; 1.20; 1.21; 1.22; 1.23; 1.24; 1.25; 1.26; 1.27; 1.28.0000—No fix listedCNA
  • Tomato VendorShibby Affected 1.0; 1.1; 1.2; 1.3; 1.4; 1.5; 1.6; 1.7; 1.8; 1.9; 1.10; 1.11; 1.12; 1.13; 1.14; 1.15; 1.16; 1.17; 1.18; 1.19; 1.20; 1.21; 1.22; 1.23; 1.24; 1.25; 1.26; 1.27; 1.28.0000 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:shibby:tomato:*:*:*:*:*:*:*:*——Shibby
  • cpe:2.3:a:shibby:tomato:*:*:*:*:*:*:*:* Versions — — ·Shibby

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-15544
  2. 2026-10-03 Alias added: GHSA-hp2q-5cpp-5m3x

References

  • TI-2026-08826 Shibby Tomato miniupnpd resource consumption CVSS 4.0HIGH 8.7
  • TI-2026-09330 Shibby Tomato Web UI rc start_dhcpc os command injection CVSS 4.0HIGH 8.6
  • TI-2026-13474 Shibby Tomato webmon_recent_domains sub_40BB50 stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2026-13084 Shibby Tomato apcupsd tomatodata.cgi main out-of-bounds write CVSS 4.0HIGH 8.7
  • TI-2026-08877 Shibby Tomato Zserv ripd rip_zebra_read_ipv4 stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2026-08822 Shibby Tomato tomatodata.cgi get_ups_field stack-based overflow CVSS 4.0HIGH 8.7
See all 20 →

Sources