Expired60% confidenceFactExact time
A homoglyph attack exploits visually similar but Unicode-distinct characters to deceive, for example the Latin letter 'a' (U+0061) and the Cyrillic letter 'а' (U+0430).
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
SkillSpector: NVIDIA's Open-Source Security Scanner for AI Agent Skills
bilibiliAIlazy俊6/19/2026
Related Claims
Unverified攻击者可利用视觉不可见的Unicode特殊字符或白色文字置于白色背景使人工审阅防御失效67% similarUnverifiedThe ASCII Smuggling attack exploits Unicode Tag Characters (the U+E0000 block) to encode invisible ASCII text as a carrier for injection instructions.63% similarUnverifiedThe core principle of Post Formatter is to replace ordinary letters with variants from the Unicode Mathematical Alphanumeric Symbols block (U+1D400 to U+1D7FF), which are independent code points that can be transmitted as plain text.62% similarVerifiedBase64 is an encoding scheme that converts binary data into 64 printable ASCII characters; the standard character set consists of 64 characters—A–Z, a–z, 0–9, +, and /—and is not itself an encryption algorithm.57% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/41758API
curl https://kongchang.com/api/v1/knowledge/claims/41758MCP
get_claim(id=41758)