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VulnerabilityPublished

CVE-2026-48063: WhiskeySockets Baileys · Authentication Bypass by Spoofing

Affects WhiskeySockets BaileysSource CVE Database V5

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Not known to be exploited · CVSS 9.3 Critical : upgrade to 7.0.0-rc12 or 6.7.22 as a priority.

Data as of 1 Nov 2026, 22:58 UTC

CVSS 4.0 base score
9.3Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 12% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 7.0.0-rc12, 6.7.22
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 3 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 1 Nov 2026.

What to do

Upgrade Baileys and @whiskeysockets/baileys to 7.0.0-rc12 or 6.7.22.

Affected software

ProductAffectedFixed in
WhiskeySocketsBaileysAffected
  • >=7.0.0-rc.1 <7.0.0-rc12
Fixed in
  • 7.0.0-rc12
WhiskeySocketsBaileysAffected
  • <6.7.22
Fixed in
  • 6.7.22
WhiskeySockets@whiskeysockets/baileysAffected
  • >=7.0.0-rc.1 <7.0.0-rc12
Fixed in
  • 7.0.0-rc12
WhiskeySockets@whiskeysockets/baileysAffected
  • <6.7.22
Fixed in
  • 6.7.22

AI-suggested

Upgrade Baileys to version 6.7.22 or later, or to 7.0.0-rc12 or later, where the vulnerability has been fixed. Patch status is confirmed by the vendor advisory stating the fix in these versions. No other mitigation or workaround is indicated.

Description

CVE-2026-48063 is a critical authentication bypass vulnerability in WhiskeySockets Baileys, a socket-based TypeScript/JavaScript API for WhatsApp Web. Versions prior to 6.7.22 and 7.0.0-rc12 allow an attacker to send malicious payloads that spoof messages, corrupt app state synchronization, and inject fake message history. This vulnerability enables attackers to impersonate messages and manipulate synchronization contexts. The issue has been fixed in versions 6.7.22 and 7.0.0-rc12.

References

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