Is CVE-2026-121355 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-121355 being exploited in the wild.

How severe is CVE-2026-121355?

Critical severity, with a CVSS score of 9.1, published 10 November 2026.

Which products and versions are affected?

Adobe Connect 12.12 and earlier.

Is there a fix for CVE-2026-121355?

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-2026-121355 attacked?

It is attacked over the network, in a web application.

Am I affected by CVE-2026-121355?

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.

CVE-2026-121355: Adobe Connect incorrect authorization privilege escalation

CVE-2026-121355 · Severity: critical · CVSS 9.1 · Published 2026-11-10

Adobe Connect, a web conferencing and collaboration platform used by enterprises for meetings and training, contains multiple critical authorization flaws that allow attackers to gain elevated privileges without authentication or user interaction. Exploiting these vulnerabilities could enable unauthorized access to sensitive information, arbitrary code execution, or complete system compromise across the entire platform.

Technologies: Adobe Connect. Vendors: Adobe.

Quick answers

Is CVE-2026-121355 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-121355 being exploited in the wild.
How severe is CVE-2026-121355?: Critical severity, with a CVSS score of 9.1, published 10 November 2026.
Which products and versions are affected?: Adobe Connect 12.12 and earlier.
Is there a fix for CVE-2026-121355?: 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-2026-121355 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-121355?: 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

CVE-2026-121355 is an incorrect authorization flaw (CWE-863) in Adobe Connect that allows privilege escalation via network attack without authentication or user interaction. The advisory describes a comprehensive set of 21 critical and high-severity vulnerabilities across multiple weakness classes (SSRF, path traversal, XXE, SQL injection, XSS, CRLF injection, code injection), affecting versions 12.12 and earlier, with exploitation requiring no authentication for several flaws.

Affected products

Adobe Connect 12.12 and earlier

Timeline

2026-11-10: disclosed

References

https://www.adobe.com/trust/security/products/connect/apsb26-191.html

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