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No exploitation reportedAwaiting NVD analysis

CVE-2026-121890

Adobe Connect | Improper Restriction of XML External Entity Reference ('XXE') (CWE-611)

No exploitation reported by the sources we read.

  • Published2026-11-10
  • WeaknessCWE-611

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2026-11-1021:30CVE publishedCNA

Versions per branch

Products declared by the CNA

As adobe, the CNA that assigned this CVE, declared them in the CVE record; versions as written. NVD lists no product for this CVE yet: this is the only product data so far.

  • Adobe Connectother versions: not affected
    Affected
    • ≤ 12.8no fix statedcustom

    Not affected = 12.8.a

  • Adobe Connectother versions: not affected
    Affected
    • ≤ 12.9no fix statedcustom

    Not affected = 12.9.a

  • Adobe Connectother versions: not affected
    Affected
    • ≤ 12.10no fix statedcustom

    Not affected = 12.10.f

  • Adobe Connectother versions: not affected
    Affected
    • ≤ 12.11no fix statedcustom

    Not affected = 12.11.i

  • Adobe Connectother versions: not affected
    Affected
    • ≤ 12.12no fix statedcustom

    Not affected = 12.12.a

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-11-10

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-121890 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Metasploit modules
none listed
Metasploit Framework

Sources

  • CNACVSS 3.17.72026-11-10
  • NVDCVSS 3.17.7read 2026-11-10
  • CNAweakness (CWE)CWE-6112026-11-10
  • NVDweakness (CWE)CWE-611read 2026-11-10

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Published
2026-11-10
Last Modified
2026-11-10
NVD status
Received

Frequently asked questions

What is 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.

Is CVE-2026-121890 actively exploited?

Active exploitation of CVE-2026-121890 has not been confirmed.

What is the CVSS score for CVE-2026-121890?

CVE-2026-121890 has a CVSS v3 base score of 7.7 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.

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