CVE-2026-40263

Go/github.com/enchant97/note-mark/backend CVE-2026-40263: low 3.7, EPSS 0.31%

Note Mark: Username Enumeration via Login Endpoint Timing Side-Channel

Action: Upgrade github.com/enchant97/note-mark/backend to 0.19.2-0.20260411145025-cf4c6f6acf70 or later.

go get github.com/enchant97/note-mark/backend@v0.19.2-0.20260411145025-cf4c6f6acf70

Affected

Fixed versions

Sources

• osv: GHSA-w6m9-39cv-2fwp
• https://github.com/enchant97/note-mark/security/advisories/GHSA-w6m9-39cv-2fwp
• https://nvd.nist.gov/vuln/detail/CVE-2026-40263
• https://github.com/enchant97/note-mark/commit/cf4c6f6acf70b569d80396d323b067c00d45c034
• https://github.com/enchant97/note-mark

CVE-2026-40263 · published 2026-04-13T19:31:50Z · modified 2026-06-25T23:11:42.943800917Z · JSON

Go/github.com/enchant97/note-mark/backend CVE-2026-40263: unknown, EPSS 0.31%

Note Mark: Username Enumeration via Login Endpoint Timing Side-Channel in github.com/enchant97/note-mark/backend

Action: No fix published. Pin and monitor.

Affected

Fixed versions

No fixed version in the source.

Sources

• osv: GO-2026-5696
• https://github.com/enchant97/note-mark/security/advisories/GHSA-w6m9-39cv-2fwp
• https://nvd.nist.gov/vuln/detail/CVE-2026-40263
• https://github.com/enchant97/note-mark/commit/cf4c6f6acf70b569d80396d323b067c00d45c034

CVE-2026-40263 · published 2026-06-25T22:34:38Z · modified 2026-06-25T23:01:28.026622980Z · JSON