Timing Attack Affecting github.com/enchant97/note-mark/backend/db package, versions <0.19.2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published28 Apr 2026
- disclosed17 Apr 2026
- creditQiaoNPC, Across-Verticals-Malaysia
Introduced: 17 Apr 2026
CVE-2026-40263 (opens in a new tab)How to fix?
Upgrade github.com/enchant97/note-mark/backend/db to version 0.19.2 or higher.
Overview
Affected versions of this package are vulnerable to Timing Attack via the login process. An attacker can obtain sensitive information about valid usernames by measuring response times and leveraging timing discrepancies.