PT-2026-4894 · Weixin4J · Weixin4J

Titan Team · Published 2026-01-27 · Updated 2026-01-27 · CVE-2026-24819

Positive Technologies (AI Summary)

CVSS v4.0

6.3

Medium

Base vector

AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/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:X/AU:Y/R:A/V:D/RE:M/U:Amber

Name of the Vulnerable Software and Affected Versions weixin4j (affected versions not specified)

Description The software contains an Improperly Controlled Sequential Memory Allocation issue within the weixin4j-base/src/main/java/com/foxinmy/weixin4j/util modules. The issue is associated with the CharArrayBuffer.Java and ClassUtil.Java files.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-1325

Related Identifiers

CVE-2026-24819

GHSA-444M-PX7R-QPVV

Affected Products

Weixin4J

References · 8

• https://github.com/foxinmy/weixin4j/pull/229 · Patch
• https://osv.dev/vulnerability/CVE-2026-24819 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-444m-px7r-qpvv · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-24819 · Security Note
• https://github.com/foxinmy/weixin4j/commit/d1c825835802cd3a0c04772be1220ff4476ea27c · Note
• https://github.com/foxinmy/weixin4j · Note
• https://twitter.com/CVEnew/status/2016081234896535756 · Twitter Post
• https://t.me/CVEtracker/43045 · Telegram Post