GHSA-wg6q-6289-32hp

Suggest an improvement
Source
https://github.com/advisories/GHSA-wg6q-6289-32hp
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-wg6q-6289-32hp/GHSA-wg6q-6289-32hp.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-wg6q-6289-32hp
Aliases
  • CVE-2026-5588
Downstream
Related
Published
2026-04-15T18:31:54Z
Modified
2026-04-17T17:29:19.679951905Z
Severity
  • 6.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/U:Green CVSS Calculator
Summary
Bouncy Castle Crypto Package For Java: Use of a Broken or Risky Cryptographic Algorithm vulnerability in bcpkix modules
Details

: Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpkix on all (pkix modules).

PKIX draft CompositeVerifier accepts empty signature sequence as valid.

This issue affects BC-JAVA: from 1.49 before 1.84.

Database specific 
{
    "github_reviewed": true,
    "nvd_published_at": "2026-04-15T10:16:49Z",
    "cwe_ids": [
        "CWE-327"
    ],
    "github_reviewed_at": "2026-04-16T21:32:20Z",
    "severity": "MODERATE"
}
References

Affected packages

Maven
org.bouncycastle:bcpkix-jdk18on

Package

Name
org.bouncycastle:bcpkix-jdk18on
View open source insights on deps.dev
Purl
pkg:maven/org.bouncycastle/bcpkix-jdk18on

Affected ranges

Type
ECOSYSTEM
Events
Introduced
1.49
Fixed
1.84

Affected versions

1.*
1.71
1.71.1
1.72
1.73
1.74
1.75
1.76
1.77
1.78
1.78.1
1.79
1.80
1.81
1.82
1.83

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-wg6q-6289-32hp/GHSA-wg6q-6289-32hp.json"
org.bouncycastle:bcpkix-jdk15to18

Package

Name
org.bouncycastle:bcpkix-jdk15to18
View open source insights on deps.dev
Purl
pkg:maven/org.bouncycastle/bcpkix-jdk15to18

Affected ranges

Type
ECOSYSTEM
Events
Introduced
1.49
Fixed
1.84

Affected versions

1.*
1.63
1.64
1.65
1.66
1.67
1.68
1.69
1.70
1.71
1.72
1.73
1.74
1.75
1.76
1.77
1.78
1.78.1
1.79
1.80
1.81
1.82
1.83

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-wg6q-6289-32hp/GHSA-wg6q-6289-32hp.json"
org.bouncycastle:bcpkix-jdk15on

Package

Name
org.bouncycastle:bcpkix-jdk15on
View open source insights on deps.dev
Purl
pkg:maven/org.bouncycastle/bcpkix-jdk15on

Affected ranges

Type
ECOSYSTEM
Events
Introduced
1.49
Fixed
1.84

Affected versions

1.*
1.49
1.50
1.51
1.52
1.53
1.54
1.55
1.56
1.57
1.58
1.59
1.60
1.61
1.62
1.63
1.64
1.65
1.66
1.67
1.68
1.69
1.70

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-wg6q-6289-32hp/GHSA-wg6q-6289-32hp.json"
org.bouncycastle:bcpkix-jdk14

Package

Name
org.bouncycastle:bcpkix-jdk14
View open source insights on deps.dev
Purl
pkg:maven/org.bouncycastle/bcpkix-jdk14

Affected ranges

Type
ECOSYSTEM
Events
Introduced
1.49
Fixed
1.84

Affected versions

1.*
1.49
1.50
1.51
1.53
1.54
1.55
1.56
1.57
1.58
1.59
1.60
1.61
1.62
1.63
1.64
1.65
1.67
1.68
1.69
1.70
1.71
1.72
1.73
1.74
1.75
1.76
1.77
1.78
1.78.1
1.79
1.80
1.81
1.82
1.83

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-wg6q-6289-32hp/GHSA-wg6q-6289-32hp.json"
org.bouncycastle:bcpkix-debug-jdk18on

Package

Name
org.bouncycastle:bcpkix-debug-jdk18on
View open source insights on deps.dev
Purl
pkg:maven/org.bouncycastle/bcpkix-debug-jdk18on

Affected ranges

Type
ECOSYSTEM
Events
Introduced
1.49
Fixed
1.84

Affected versions

1.*
1.73
1.74
1.75
1.76
1.77
1.78
1.78.1
1.79
1.81
1.82
1.83

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-wg6q-6289-32hp/GHSA-wg6q-6289-32hp.json"
org.bouncycastle:bcpkix-debug-jdk15to18

Package

Name
org.bouncycastle:bcpkix-debug-jdk15to18
View open source insights on deps.dev
Purl
pkg:maven/org.bouncycastle/bcpkix-debug-jdk15to18

Affected ranges

Type
ECOSYSTEM
Events
Introduced
1.49
Fixed
1.84

Affected versions

1.*
1.73
1.74
1.75
1.76
1.77
1.78
1.78.1
1.79
1.80
1.81
1.82
1.83

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-wg6q-6289-32hp/GHSA-wg6q-6289-32hp.json"
org.bouncycastle:bcpkix-debug-jdk14

Package

Name
org.bouncycastle:bcpkix-debug-jdk14
View open source insights on deps.dev
Purl
pkg:maven/org.bouncycastle/bcpkix-debug-jdk14

Affected ranges

Type
ECOSYSTEM
Events
Introduced
1.49
Fixed
1.84

Affected versions

1.*
1.81
1.82
1.83

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-wg6q-6289-32hp/GHSA-wg6q-6289-32hp.json"