CVE-2026-58063
Last modified
CVE-2026-58063 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. In Bouncy Castle for Java before 1.85, BCFKS keystore load honours unbounded KDF cost from untrusted file. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series).. EPSS estimates a 0.35% chance of exploitation in the next 30 days.
Description
In Bouncy Castle for Java before 1.85, BCFKS keystore load honours unbounded KDF cost from untrusted file. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series).
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Bouncycastle | Bc-Java | < 1.85 |
| Bouncycastle | Bouncy Castle For Java Lts | <= 2.73.11 |
| Bouncycastle | Fips Java Api | >= 1.0.0, < 1.0.2.7 |
| Bouncycastle | Fips Java Api | >= 2.0.0, < 2.0.2 |
| Bouncycastle | Fips Java Api | >= 2.1.0, < 2.1.3 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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