CVE-2026-4746

critical · 10

Out-of-bounds Write vulnerability in timeplus-io proton (base/poco/Foundation/src‎ modules). This vulnerability is associated with program files inflate.C. This issue affects proton: before 1.6.16.

CVSS

0.3%

EPSS (exploit prob.)

20th

EPSS percentile

2026-03-24

Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:U/V:C/RE:L/U:Amber

Weaknesses

CWE-787

References

https://github.com/timeplus-io/proton/pull/943

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-4746