Vulnerability · Published Oct 8, 2026 · Assigned by ibm
CVE-2026-14999IBM DataPower Gateway Improper Verification of Cryptographic Signature
High 7.4
In plain English
A high-severity security flaw in DataPower Gateway 10.5.0 from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).
Severity (CVSS 3.1)7.4High
Exploit odds (30 days)0.2%top 91.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 could allow a remote attacker to bypass authentication by forging valid JSON Web Signatures due to improper verification of cryptographic signatures.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IBM | DataPower Gateway 10.6CD | 10.6.1 – through 10.6.6 |
| IBM | DataPower Gateway 10.6.0 | 10.6.0.0 – through 10.6.0.10 |
| IBM | DataPower Gateway 11.0.0 | 11.0.0.0 – through 11.0.0.2 |
| IBM | DataPower Gateway 10.5.0 | 10.5.0.0 – through 10.5.0.22 |
Weakness: CWE-347 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
References
- https://www.ibm.com/support/pages/node/7289775 vendor-advisory, patch