AsiaInfo Business Support System (BSS) 9.2.0 through 9.2.40 does not correctly verify cryptographic signatures for JSON Web Tokens (JWT).
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.
Assessment
- CVSS
- 9.3 (v4.0)
- Severity
- Critical
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 11 November 2026
- Last updated
- 11 November 2026
- Affected
- AsiaInfo International · Business Support System · aether-menu
- Assigner
- cisa-cg
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
At the source
References
- https://www.asiainfo.eu/cloudbss
- https://github.com/trevorkaon/vulnerability-security-research/blob/main/advisories/asiainfo/CVE-2026-125298.md
- https://www.cve.org/CVERecord?id=CVE-2026-125298
- https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-313-03.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-125298
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