CVE-2026-121728

SourceHut meta.sr.ht 0.56.11 before 0.89.0 Registration Authorization Bypass via /register/step2

Published Nov 3, 2026 CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Description
SourceHut meta.sr.ht 0.56.11 before 0.89.0 contains an authorization bypass vulnerability that allows unauthenticated attackers to register accounts when public registration is disabled. Attackers can obtain a CSRF token from /login and POST credentials to /register/step2, which invokes the unchecked GraphQL RegisterAccount mutation to create accounts.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Sourcehut
Sourcehut meta.sr.ht
Vendors & Products Sourcehut
Sourcehut meta.sr.ht
Type Values Removed Values Added
Description SourceHut meta.sr.ht 0.56.11 before 0.89.0 contains an authorization bypass vulnerability that allows unauthenticated attackers to register accounts when public registration is disabled. Attackers can obtain a CSRF token from /login and POST credentials to /register/step2, which invokes the unchecked GraphQL RegisterAccount mutation to create accounts.
Title SourceHut meta.sr.ht 0.56.11 before 0.89.0 Registration Authorization Bypass via /register/step2
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 9, 2026, 5:00 PM
Reserved
Nov 3, 2026, 10:17 PM
Status
Deferred
Published
Nov 3, 2026, 11:17 PM
Modified
Nov 12, 2026, 9:36 PM