CVE-2026-102360 lib0 - Information Disclosure

lib0 versions 0.2.1-0.2.117 and earlier and 1.0.0-rc.32 and earlier contain an information disclosure vulnerability caused by missing bounds check in the binary decoder's readUint8Array function, letting unauthenticated remote peers read adjacent process memory, exploit requires attacker to supply bytes to a lib0 decoder.

CVSS base score 8.6 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.42% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Information Disclosure
Impact
Information Disclosure, File System Read
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Published
29 September 2026
Updated
15 October 2026
Weakness
CWE-125

Vendor fix

Update to version 0.2.118 or 1.0.0-rc.33 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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