LOWVulnerability

CVE-2026-59638

In Bouncy Castle for Java before 1.85, JSSE hostname verifier CN-fallback enabled by default despite documented opt-in. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bctls-fips 1.0.24 (1.0.X series), 2.0.24 (2.0.X series) and 2.1.24 (2.1.X series).

Properties

cve_id
CVE-2026-59638
published_at
2026-08-03T01:16:43.543
last_modified
2026-08-04T14:50:12.360

Related Entities (2)

DESCRIBED_BY (1)

[Source]NVD

HAS_WEAKNESS (1)

[Weakness]Improper Validation of Certificate with Host Mismatch

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CVE-2026-59638 — Ninja Signal Threat Intelligence | Ninja Signal