CVE-2026-14999 IBM DataPower Gateway Improper Verification of Cryptographic Signature
Remote attackers can bypass authentication by forging JSON Web Signatures due to improper cryptographic signature verification in IBM DataPower Gateway.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-14999?
CVE-2026-14999 is a high-severity authentication bypass vulnerability in Ibm Datapower Gateway, published on 8 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Weakness: CWE-347
Which versions are affected by CVE-2026-14999?
It affects 1 product.
Products include Ibm Datapower Gateway.
How do I fix CVE-2026-14999?
No fix has been published for CVE-2026-14999 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-14999 being exploited?
There is no known exploitation of CVE-2026-14999 in the wild and no public exploit code.
Other vulnerabilities in Ibm Datapower Gateway
Sources
Also known as GHSA-8cc9-pw6h-mjmm.