Dashboard / CVE-2026-121728

CVE-2026-121728

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 74/100
Published: 2026-11-03 Modified: 2026-11-12 First seen: 2026-11-03 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: X
AT: None
VC: None
VI: Low
VA: None

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.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
SourceHut meta.sr.ht 0.56.11 < 0.89.0
SourceHut meta.sr.ht 0.56.11 < 0.89.0

References & Advisories (6)

Bug Bounty Relevance

74 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

6.9 / 10.0 v4.0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS — Exploitation Probability

0.26%
Raw Score 0.002600
Percentile 17.9%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00260
2026-11-13
0.00260
2026-11-12
0.00260
2026-11-10
0.00260
2026-11-09
0.00260
2026-11-08
0.00260
2026-11-07
0.00260
2026-11-06
0.00260
2026-11-05
0.00260
2026-11-04
0.00260

Intelligence Sources

mitre ref →
nvd ref →

External Links