CVE-2026-125298

CRITICALCVSS 9.8/10

Last modified

CVE-2026-125298 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. AsiaInfo Business Support System (BSS) 9.2.0 through 9.2.40 does not correctly verify cryptographic signatures for JSON Web Tokens (JWT). A remote, unauthenticated attacker could forge a well-formed JWT without a valid signature and use it to execute privileged actions.

Description

AsiaInfo Business Support System (BSS) 9.2.0 through 9.2.40 does not correctly verify cryptographic signatures for JSON Web Tokens (JWT). A remote, unauthenticated attacker could forge a well-formed JWT without a valid signature and use it to execute privileged actions. Fixed in 9.2.41.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
AsiaInfo InternationalBusiness Support System>= 9.2.0, < 9.2.41
AsiaInfo Internationalaether-menu>= 2.2.1, < 2.2.7

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-125298?
AsiaInfo Business Support System (BSS) 9.2.0 through 9.2.40 does not correctly verify cryptographic signatures for JSON Web Tokens (JWT). A remote, unauthenticated attacker could forge a well-formed JWT without a valid signature and use it to execute privileged actions. Fixed in 9.2.41.
How severe is CVE-2026-125298?
CVE-2026-125298 has a CVSS score of 9.8/10 (CRITICAL severity).
How do I fix CVE-2026-125298?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST