Quick answers
- Is CVE-2026-91547 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91547 being exploited in the wild.
- How severe is CVE-2026-91547?
- Medium severity, with a CVSS score of 5.5, published 20 October 2026.
- Which products and versions are affected?
- Oracle GoldenGate 19.1.0.0.0-19.32.0.0, 21.3-21.23, 23.4-23.26.3.0.0.
- Is there a fix for CVE-2026-91547?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-91547 attacked?
- It is attacked with local access, in a hosted service.
- Am I affected by CVE-2026-91547?
- Check whether you run Oracle GoldenGate at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
The vulnerability is a local privilege escalation in GoldenGate's Vendor Access Module affecting multiple versions. An attacker with local logon access and low privileges can exploit this to achieve high confidentiality impact, gaining unauthorized access to critical data. The attack requires local access and authentication but no additional user interaction.
Affected products
- Oracle GoldenGate 19.1.0.0.0-19.32.0.0, 21.3-21.23, 23.4-23.26.3.0.0
Timeline
- 2026-10-20: disclosed