SB20261110185 - Multiple vulnerabilities in Helidon

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Main Vulnerability Database SB20261110185

SB20261110185 - Multiple vulnerabilities in Helidon

Published: November 10, 2026

Security Bulletin ID SB20261110185
CSH Severity
High
Patch available
YES
Number of vulnerabilities 22
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

High 5% Medium 77% Low 18%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 22 vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2026-101584)

CWE-ID: CWE-125 - Out-of-bounds read

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


The vulnerability allows a remote non-authenticated attacker to read memory contents or crash the application.

The vulnerability exists due to improper input validation within the helidon-webclient-websocket component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to read memory contents or crash the application.


2) Improper input validation (CVE-ID: CVE-2026-101590)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/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-microprofile-security component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.


3) Improper input validation (CVE-ID: CVE-2026-101572)

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.


4) Improper input validation (CVE-ID: CVE-2026-101585)

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 helidon-cors component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.


5) Improper input validation (CVE-ID: CVE-2026-101579)

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 helidon-grpc-server component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.


6) Improper input validation (CVE-ID: CVE-2026-101583)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:L/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-common-mapper component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.


7) Improper input validation (CVE-ID: CVE-2026-101574)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 5.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/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 OIDC component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.


8) Improper input validation (CVE-ID: CVE-2026-101573)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to improper input validation within the helidon-security-providers-http-auth component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.


9) Improper input validation (CVE-ID: CVE-2026-101581)

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:L/VA:L/SC:N/SI:N/SA:N]


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

The vulnerability exists due to improper input validation within the helidon-webclient-dns-resolver-round-robin component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to manipulate or delete data.


10) Improper input validation (CVE-ID: CVE-2026-101575)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/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.


11) Improper input validation (CVE-ID: CVE-2026-101569)

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:L/VA:L/SC:N/SI:N/SA:N]


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

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


12) Improper input validation (CVE-ID: CVE-2026-101577)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 1.8 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]


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

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


13) Improper input validation (CVE-ID: CVE-2026-101582)

CWE-ID: CWE-125 - Out-of-bounds read

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


The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to improper input validation within the helidon-integrations-vault component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.


14) Improper input validation (CVE-ID: CVE-2026-101580)

CWE-ID: CWE-125 - Out-of-bounds read

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


The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to improper input validation within the helidon-security-providers-jwt component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.


15) Improper input validation (CVE-ID: CVE-2026-101571)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 5.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a local authenticated user to gain access to sensitive information.

The vulnerability exists due to improper input validation within the helidon-security-providers-idcs-mapper component in Helidon. A local authenticated user can exploit this vulnerability to gain access to sensitive information.


16) Improper input validation (CVE-ID: CVE-2026-101588)

CWE-ID: CWE-125 - Out-of-bounds read

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


The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to improper input validation within the WebSocket component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.


17) Improper input validation (CVE-ID: CVE-2026-101568)

CWE-ID: CWE-125 - Out-of-bounds read

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


The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to improper input validation within the helidon-health component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.


18) Improper input validation (CVE-ID: CVE-2026-101578)

CWE-ID: CWE-125 - Out-of-bounds read

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


The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to improper input validation within the helidon-security-providers-google-login component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.


19) Improper input validation (CVE-ID: CVE-2026-101586)

CWE-ID: CWE-125 - Out-of-bounds read

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


The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to improper input validation within the helidon-webclient component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.


20) Improper input validation (CVE-ID: CVE-2026-101587)

CWE-ID: CWE-125 - Out-of-bounds read

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-webclient-http1 component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to perform service disruption.


21) Improper input validation (CVE-ID: CVE-2026-101576)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 6.3 [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]


The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to improper input validation within the LRA component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.


22) Improper input validation (CVE-ID: CVE-2026-101570)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/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-webserver-http2 component in Helidon. A remote non-authenticated attacker can exploit this vulnerability to perform service disruption.


Remediation

Install update from vendor's website.

References