Security Bulletin: A vulnerability in the qs package affects IBM® Db2® Big SQL on IBM Cloud Pak for Data.

Summary A vulnerability in the qs package affects IBM® Db2® Big SQL 8 and earlier on IBM Cloud Pak for Data 5.3.1 and earlier. Vulnerability Details CVEID:CVE-2026-2391 DESCRIPTION: Summary The arrayLimit option in qs does not enforce limits for comma-separated values when comma: true is enabled,...

Security Bulletin: qs Array Limit Bypass via Comma Parsing Enables Denial of Service

Summary The arrayLimit option in qs does not enforce limits for comma-separated values when comma: true is enabled, allowing attackers to cause denial-of-service via memory exhaustion. This is a bypass of the array limit enforcement, similar to the bracket notation bypass addressed in...

Security Bulletin: IBM Maximo Application Suite - Monitor Component uses qs-6.14.1.tgz which is vulnerable to CVE-2026-2391.

Summary IBM Maximo Application Suite - Monitor Component uses qs-6.14.1.tgz which is vulnerable to CVE-2026-2391. This bulletin contains information addressing the vulnerability. Vulnerability Details CVEID:CVE-2026-2391 DESCRIPTION: Summary The arrayLimit option in qs does not enforce limits for...

Security Bulletin: Maximo AI Service uses qs-6.14.1.tgz and flask-3.0.3-py3-none-any.whl which is vulnerable to CVE-2026-2391 and CVE-2026-27205.

Summary Maximo AI Service uses qs-6.14.1.tgz and flask-3.0.3-py3-none-any.whl which is vulnerable to CVE-2026-2391 and CVE-2026-27205. This bulletin contains information regarding the vulnerability and its fixture. Vulnerability Details CVEID:CVE-2026-2391 DESCRIPTION: Summary The arrayLimit opti...

qs's arrayLimit bypass in comma parsing allows denial of service

Summary The arrayLimit option in qs does not enforce limits for comma-separated values when comma: true is enabled, allowing attackers to cause denial-of-service via memory exhaustion. This is a bypass of the array limit enforcement, similar to the bracket notation bypass addressed in...

GHSA-W7FW-MJWX-W883 qs's arrayLimit bypass in comma parsing allows denial of service

Summary The arrayLimit option in qs does not enforce limits for comma-separated values when comma: true is enabled, allowing attackers to cause denial-of-service via memory exhaustion. This is a bypass of the array limit enforcement, similar to the bracket notation bypass addressed in...

CVE-2026-2391

Summary The arrayLimit option in qs does not enforce limits for comma-separated values when comma: true is enabled, allowing attackers to cause denial-of-service via memory exhaustion. This is a bypass of the array limit enforcement, similar to the bracket notation bypass addressed in...

CVE-2026-2391 qs's arrayLimit bypass in comma parsing allows denial of service

Summary The arrayLimit option in qs does not enforce limits for comma-separated values when comma: true is enabled, allowing attackers to cause denial-of-service via memory exhaustion. This is a bypass of the array limit enforcement, similar to the bracket notation bypass addressed in...

CVE-2026-2391 qs's arrayLimit bypass in comma parsing allows denial of service

Summary The arrayLimit option in qs does not enforce limits for comma-separated values when comma: true is enabled, allowing attackers to cause denial-of-service via memory exhaustion. This is a bypass of the array limit enforcement, similar to the bracket notation bypass addressed in...

CVE-2026-2391

CVE-2026-2391 : The qs library vulnerability arises when using comma parsing (comma: true). The code bypasses the arrayLimit check by returning val.split(',') before the limit, allowing creation of very large arrays from a single parameter (e.g., ?param=a,b,c with a high density of commas). This ...