What’s Vulnerable › Vulnerabilities

CVE-2026-73230: Ente: 2of3 cards v1 contain a checksum that enables offline guessing of low-entropy secrets

• Severity: medium (CVSS 5.9 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-11 · updated 2026-09-18
• Weakness: CWE-200

Description

Ente provides end-to-end encrypted cloud services and security tools. Prior to 2026.07.28, Ente 2of3 card format version 1 stored the secret byte length and 32-bit FNV-1a checksum in cleartext on every card, allowing someone with one card to test candidate secrets offline and recover low-entropy or predictable secrets. This issue is fixed in version 2026.07.28.

Affected products

• ente: before 2026.07.28

References

• https://github.com/ente/ente/commit/6681d8370a37c2fc745d3098126ba1ee62bf06a5
• https://github.com/ente/ente/commit/c3d2e400ae6fa66d5ce7df422136d28805fe1442
• https://github.com/ente/ente/pull/11729
• https://github.com/ente/ente/security/advisories/GHSA-v6x7-rrch-9q9w

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