antisamy-1.7.7.jar: 2 vulnerabilities (highest severity is: 7.5)

[mend-bolt-for-github]

Vulnerable Library - antisamy-1.7.7.jar

Path to dependency file: /pom.xml

Path to vulnerable library: /home/wss-scanner/.m2/repository/org/apache/httpcomponents/core5/httpcore5/5.2.4/httpcore5-5.2.4.jar

Found in HEAD commit: 985d4a71b0cc06b07e4e37fda7739bbfc0dfc733

Vulnerabilities

Vulnerability	Severity	CVSS	Dependency	Type	Fixed in (antisamy version)	Remediation Possible**
CVE-2026-54428	High	7.5	httpcore5-h2-5.2.4.jar	Transitive	N/A*	❌
CVE-2026-54399	High	7.5	httpcore5-5.2.4.jar	Transitive	N/A*	❌

*For some transitive vulnerabilities, there is no version of direct dependency with a fix. Check the "Details" section below to see if there is a version of transitive dependency where vulnerability is fixed.

**In some cases, Remediation PR cannot be created automatically for a vulnerability despite the availability of remediation

Details

CVE-2026-54428

Vulnerable Library - httpcore5-h2-5.2.4.jar

Apache HttpComponents HTTP/2 Core Components

Library home page: https://www.apache.org/

Path to dependency file: /pom.xml

Path to vulnerable library: /home/wss-scanner/.m2/repository/org/apache/httpcomponents/core5/httpcore5-h2/5.2.4/httpcore5-h2-5.2.4.jar

Dependency Hierarchy:

• antisamy-1.7.7.jar (Root Library)
  • httpclient5-5.2.3.jar
    • ❌ httpcore5-h2-5.2.4.jar (Vulnerable Library)

Found in HEAD commit: 985d4a71b0cc06b07e4e37fda7739bbfc0dfc733

Found in base branch: master

Vulnerability Details

Allocation of resources without limits or throttling in the HTTP/2 HPACK decoder in Apache HttpComponents Core (5.4.2 and earlier, 5.5-beta1 and earlier) allows an remote attacker to cause a denial of service through memory exhaustion by sending oversized compressed header blocks before the HTTP/2 SETTINGS acknowledgement causes the configured header list size limit to be applied.

Publish Date: 2026-07-01

URL: CVE-2026-54428

CVSS 3 Score Details (7.5)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://lists.apache.org/thread/5zjp8vczvxq19pw2rvhs21q446bhl0sd

Release Date: 2026-07-01

Fix Resolution: org.apache.httpcomponents.core5:httpcore5-h2:5.5-beta2,https://github.com/apache/httpcomponents-core.git - rel/v5.5-beta2,org.apache.httpcomponents.core5:httpcore5-h2:5.4.3,https://github.com/apache/httpcomponents-core.git - rel/v5.4.3

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CVE-2026-54399

Vulnerable Library - httpcore5-5.2.4.jar

Apache HttpComponents HTTP/1.1 core components

Library home page: https://www.apache.org/

Path to dependency file: /pom.xml

Path to vulnerable library: /home/wss-scanner/.m2/repository/org/apache/httpcomponents/core5/httpcore5/5.2.4/httpcore5-5.2.4.jar

Dependency Hierarchy:

• antisamy-1.7.7.jar (Root Library)
  • ❌ httpcore5-5.2.4.jar (Vulnerable Library)

Found in HEAD commit: 985d4a71b0cc06b07e4e37fda7739bbfc0dfc733

Found in base branch: master

Vulnerability Details

Uncontrolled Resource Consumption vulnerability in the HTTP/1.1 message parser in Apache HttpComponents Core (5.4.2 and earlier, 5.5-beta1 and earlier) allows an remote attacker to cause a denial of service through memory exhaustion by sending messages with excessive number of headers / excessive header length

Publish Date: 2026-07-01

URL: CVE-2026-54399

CVSS 3 Score Details (7.5)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Release Date: 2026-06-30

Fix Resolution: org.apache.httpcomponents.core5:httpcore5:5.4.3,org.apache.httpcomponents.core5:httpcore5:5.5-beta2,https://github.com/apache/httpcomponents-core.git - rel/v5.4.3,https://github.com/apache/httpcomponents-core.git - v5.5-beta2

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