CVE-2026-5588
unknown
CVSS v3
โ
CVSS v4 NEW
6.3
VIR risk
โ
Description
Bouncy Castle Crypto Package For Java: Use of a Broken or Risky Cryptographic Algorithm vulnerability in bcpkix modules
Predictions
Exploit likelihood
20%
Patch ETA
โ
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Affected 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Affected | โ |
| sid | Affected | โ |
| forky | Affected | โ |
| bullseye | Affected | โ |
| bookworm | Affected | โ |
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| โ | Affected | โ |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Maven | org.bouncycastle:bcpkix-jdk18on | >=1.49,<1.84 | 1.84 |
| Maven | org.bouncycastle:bcpkix-jdk15to18 | >=1.49,<1.84 | 1.84 |
| Maven | org.bouncycastle:bcpkix-jdk15on | >=1.49,<1.84 | 1.84 |
| Maven | org.bouncycastle:bcpkix-jdk14 | >=1.49,<1.84 | 1.84 |
| Maven | org.bouncycastle:bcpkix-debug-jdk18on | >=1.49,<1.84 | 1.84 |
| Maven | org.bouncycastle:bcpkix-debug-jdk15to18 | >=1.49,<1.84 | 1.84 |
| Maven | org.bouncycastle:bcpkix-debug-jdk14 | >=1.49,<1.84 | 1.84 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| gcp | | |
References
- https://github.com/bcgit/bc-java/commit/656bae0dbd9b1521f840521ff786e78749fe3057
- https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%905588
- https://security-tracker.debian.org/tracker/CVE-2026-5588
- https://nvd.nist.gov/vuln/detail/CVE-2026-5588
- https://github.com/bcgit/bc-java
- https://www.suse.com/security/cve/CVE-2026-5588.html
CWEs
CWE-327
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.