What is CVE-2023-49947?

CVE-2023-49947 is a high-severity vulnerability in Forgejo, classified under Incorrect Authorization. CVSS score: 7.5/10. Published 2023-12-03.

How severe is CVE-2023-49947?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Forgejo

CVE-2023-49947

Forgejo before 1.20.5-1 allows 2FA bypass when docker login uses Basic Authentication.

Vulnerability class: Broken Access Control

Published 2023-12-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.006 (47.1th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Forgejo

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

forgejo.org/2023-11-release-v1-20-5-1/ (Release Notes, Vendor Advisory)
codeberg.org/forgejo/forgejo/commit/44df78edd40076b349d50dc5fb02af417a44cfab (Patch)

Frequently asked questions

What is CVE-2023-49947?: CVE-2023-49947 is a high-severity vulnerability in Forgejo, classified under Incorrect Authorization. CVSS score: 7.5/10. Published 2023-12-03.
How severe is CVE-2023-49947?: High severity. CVSS v3 base score is 7.5 out of 10.