---
title: "CVE-2026-102360: lib0 - Information Disclosure"
description: "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."
url: https://panop.io/threat-heartbeat/CVE-2026-102360/
---

# 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 ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-102360)

## 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](https://cwe.mitre.org/data/definitions/125.html)

## 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

- [https://nvd.nist.gov/vuln/detail/CVE-2026-102360](https://nvd.nist.gov/vuln/detail/CVE-2026-102360)
- [https://github.com/dmonad/lib0/commit/425f28dc82c8df1b6f7e1ab20ea1a0a15a3c355f](https://github.com/dmonad/lib0/commit/425f28dc82c8df1b6f7e1ab20ea1a0a15a3c355f)
- [https://github.com/dmonad/lib0/commit/c4c9db0b41346a33aff31a51f1f09c3a17757f10](https://github.com/dmonad/lib0/commit/c4c9db0b41346a33aff31a51f1f09c3a17757f10)
- [https://github.com/dmonad/lib0/security/advisories/GHSA-r5c8-rf4w-qrq8](https://github.com/dmonad/lib0/security/advisories/GHSA-r5c8-rf4w-qrq8)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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