🛡️ MAL-2026-12054 — uibabai

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Malicious code in uibabai (npm)

Source: amazon-inspector

index.js has malicious code appended after a legitimate Tailwind plugin export. On any require()/import of the package, the appended block queries the public Ethereum RPC eth.drpc.org for a transaction from the hardcoded address 0xa322e5f3d311d3080e6f0121063e9adc2490ef1a, derives an IPv4 C2 endpoint from the first 4 bytes of the transaction's to field, fetches XOR-encrypted payloads over plain HTTP from paths /0x/cls and /0x/ls, and executes the decrypted bytes via eval and a spawned node -e child process. Identifiers such as require, http, https, child_process, POST, application/json, base64, and the eth_blockNumber/eth_getBlockByNumber RPC method names are hidden behind \uXXXX unicode escapes, and server responses are XOR-decoded before execution. The blockchain lookup functions as a dead-drop resolver so the C2 IP can be rotated by publishing a new Ethereum transaction without modifying the package.

Affected software

MAL-2026-12054 is recorded against 1 package.

  • uibabai

Timeline and source

Published on 5 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

www.npmjs.com (Package)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-08-05
Updated 2026-08-12
Modified 2026-08-05
Fix URL N/A

Affected Packages

Software From version Fixed in
uibabai — —

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