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VulnerabilityPublished

CVE-2026-22767: Dell AppSync · UNIX Symbolic Link (Symlink) Following

Affects Dell AppSyncSource CVE Database V5

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Not known to be exploited · CVSS 7.3 High : upgrade to 4.6.1.0 or later soon.

Data as of 30 Oct 2026, 06:59 UTC

CVSS 3.1 base score
7.3High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 5% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 4.6.1.0 or later
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 1 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Upgrade Dell AppSync to 4.6.1.0 or later.

Affected software

ProductAffectedFixed in
DellAppSyncAffected
  • =0
Fixed in
  • 4.6.1.0 or later

AI-suggested

To mitigate CVE-2026-22767, organizations should first verify if Dell has released an official patch or update addressing the symlink following vulnerability in AppSync 4.6.0 and apply it promptly. If you cannot patch yet, implement strict access controls to limit local user permissions on systems running AppSync, minimizing the number of users who can execute or influence the application. Employ filesystem permissions and integrity monitoring to detect unauthorized symlink creation or modification in directories used by AppSync. Consider running AppSync processes with the least privilege necessary and in isolated environments or containers to reduce the attack surface. Audit and monitor logs for suspicious file operations or symlink activity. Educate system administrators about the risks of symlink vulnerabilities and enforce policies to prevent untrusted users from creating symbolic links in sensitive directories. Additionally, review and harden backup and synchronization workflows to ensure data integrity even if tampering attempts occur. Regularly update and patch all related system components to reduce the overall risk exposure.

Description

Dell AppSync, version(s) 4.6.0, contain(s) an UNIX Symbolic Link (Symlink) Following vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Information tampering.

References

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