Medium (4.2). EPSS 0.2% chance of exploitation in the next 30 days.
In Sentry 25.1.0 through 25.5.1, an authenticated attacker can access a project's issue endpoint and perform unauthorized actions (such as adding a comment) without being a member of the project's team. A seven-digit issue ID must be known (it is not treated as a secret and might be mentioned publicly, or it could be predicted).
Severity
CVSS 3.1
4.2 medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
EPSS
0.2% chance of exploitation in the next 30 days; higher than 14% of CVEs (scores of 2026-10-31)