Is there a public exploit for CVE-2026-121890?

No public exploit for CVE-2026-121890 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-121890?

CVE-2026-121890 scores CVSS 7.7 (v3.1), rated high.

What does CVE-2026-121890 affect?

CVE-2026-121890 affects Adobe Adobe Connect.

7.7 High

Adobe Connect is affected by an Improper Restriction of XML External Entity Reference ('XXE') vulnerability that could lead to arbitrary…

CVE-2026-121890

Adobe Connect is affected by an Improper Restriction of XML External Entity Reference ('XXE') vulnerability that could lead to arbitrary file system read. A low-privileged attacker could exploit this vulnerability to access sensitive files and directories outside the intended access scope. Exploitation of this issue does not require user interaction. Scope is changed.

Assessment

CVSS: 7.7 (v3.1)
Severity: High
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 11 November 2026
Last updated: 11 November 2026
Affected: Adobe · Adobe Connect
Assigner: adobe

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

At the source

EUVD (ENISA)

References

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