Security context

What an agent needs to avoid regressing past fixes and find the next vuln in this repo.

postalserver/postal

              main @ d038eaa
            

Fixes

CVEs

CRITICAL

Peak severity

41.7%

Coverage

Highlights

Auth Bypass: 3 prior fixes. Scrutinize any change in this area.

app/controllers/user_controller.rb: most-fixed (2 issues). Treat as high-risk during review.

9 high-severity fixes in this history; regressions here are high-impact.

Recurring patterns

The bug types that recur here, drawn from past fixes, not open vulnerabilities.

Auth Bypass: Multiple fixes target SMTP authentication bypasses, including credential clearing on session reset and IPv4-mapped IPv6 address matching, indicating a fragile authentication state machine and IP-based checks that are easy to circumvent.

Auth Bypass: Two distinct auth bypasses in the user signup flow: one allowed unverified email addresses to be created, and another allowed account creation without an invite token. This indicates weak enforcement of the account creation lifecycle.

Insecure Randomness: Security-critical tokens (password reset, domain verification, message tokens) were generated with a predictable PRNG, allowing attackers to guess tokens and potentially take over accounts or verify domains.