Quick answers
- Is CVE-2026-121356 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-121356 being exploited in the wild.
- How severe is CVE-2026-121356?
- Critical severity, with a CVSS score of 10, published 10 November 2026.
- Which products and versions are affected?
- Adobe Connect 12.12 and earlier.
- Is there a fix for CVE-2026-121356?
- Yes: fixed in Connect 12.12.a, 12.11.i, 12.10.f, 12.9.a, 12.8.a. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-121356 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-121356?
- Check whether you run Adobe Connect 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.
How to fix
- Fixed in: Connect 12.12.a, 12.11.i, 12.10.f, 12.9.a, 12.8.a
Technical details
The advisory addresses 22 distinct vulnerabilities across multiple classes: SSRF (CVE-2026-121356, CVE-2026-121889), path traversal (CVE-2026-121351, CVE-2026-121354, CVE-2026-121349, CVE-2026-121906), authorization bypass (CVE-2026-121352, CVE-2026-121355, CVE-2026-121913), SQL injection (CVE-2026-121894, CVE-2026-121896, CVE-2026-121898, CVE-2026-121908, CVE-2026-121902), and others. Most critical issues require no authentication and accept network-based exploitation, enabling privilege escalation or arbitrary code execution.
Affected products
- Adobe Connect 12.12 and earlier
Timeline
- 2026-11-10: disclosed