SB2026110863 - Multiple vulnerabilities in Helidon

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Main Vulnerability Database SB2026110863

SB2026110863 - Multiple vulnerabilities in Helidon

Published: November 8, 2026

Security Bulletin ID SB2026110863
CSH Severity
High
Patch available
YES
Number of vulnerabilities 13
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

High 8% Medium 92%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 13 vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2026-83459)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The vulnerability exists due to improper input validation within the helidon-media-multipart component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to perform service disruption.


2) Improper input validation (CVE-ID: CVE-2026-83480)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The vulnerability exists due to improper input validation within the WebSocket component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to perform service disruption.


3) Improper input validation (CVE-ID: CVE-2026-83458)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The vulnerability exists due to improper input validation within the JSON component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to perform service disruption.


4) Improper input validation (CVE-ID: CVE-2026-83488)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote authenticated user to read and manipulate data.

The vulnerability exists due to improper input validation within the helidon-microprofile-security component in Helidon. A remote authenticated user can exploit this vulnerability to read and manipulate data.


5) Improper input validation (CVE-ID: CVE-2026-83460)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The vulnerability exists due to improper input validation within the LRA component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.


6) Improper input validation (CVE-ID: CVE-2026-83278)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 7.6 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The vulnerability exists due to improper input validation within the helidon-integrations-neo4j component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.


7) Improper input validation (CVE-ID: CVE-2026-83231)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to read, manipulate or delete data.

The vulnerability exists due to improper input validation within the helidon-dbclient-mongodb component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to read, manipulate or delete data.


8) Improper input validation (CVE-ID: CVE-2026-83281)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the helidon-webserver component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to perform a denial of service (DoS) attack.


9) Improper input validation (CVE-ID: CVE-2026-83280)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the helidon-webserver-http2 component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to perform a denial of service (DoS) attack.


10) Improper input validation (CVE-ID: CVE-2026-83276)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the helidon-webclient-http2 component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to perform a denial of service (DoS) attack.


11) Improper input validation (CVE-ID: CVE-2026-87289)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the helidon-webserver-static-content component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to perform a denial of service (DoS) attack.


12) Improper input validation (CVE-ID: CVE-2026-83330)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the WebSocket component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to perform a denial of service (DoS) attack.


13) Improper input validation (CVE-ID: CVE-2026-83439)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote authenticated user to read and manipulate data.

The vulnerability exists due to improper input validation within the helidon-security-providers-idcs-mapper component in Helidon. A remote authenticated user can exploit this vulnerability to read and manipulate data.


Remediation

Install update from vendor's website.

References