What is CVE-2026-31863?

CVE-2026-31863 is a low-severity vulnerability in Anyproto Anytype-Cli, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 3.6/10. Published 2026-03-11.

How severe is CVE-2026-31863?

Low severity. CVSS v3 base score is 3.6 out of 10.

Vulnerability in Anyproto Anytype-Cli

CVE-2026-31863

Anytype Heart is the middleware library for Anytype. The challenge-based authentication for the local gRPC client API can be bypassed, allowing an attacker to gain access without the 4-digit code. This vulnerability is fixed in anytype-heart 0.48.4, anytype-cli 0.1.11, and Anytype Desktop 0.54.5.

Published 2026-03-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.6 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.001 (2.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Anyproto Anytype-Cli — versions < 0.1.11
Anyproto Anytype-Heart — versions < 0.48.4
Anyproto Anytype-Ts — versions < 0.54.5
Anytype Cli
Anytype Desktop
Anytype Heart

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

References

github.com/anyproto/anytype-heart/security/advisories/GHSA-vv3h-7qwr-722v (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-31863?: CVE-2026-31863 is a low-severity vulnerability in Anyproto Anytype-Cli, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 3.6/10. Published 2026-03-11.
How severe is CVE-2026-31863?: Low severity. CVSS v3 base score is 3.6 out of 10.