When BIG-IP DNS is provisioned, a vulnerability exists in an undisclosed TMOS Shell (tmsh) command that may allow a highly privileged authenticated attacker to view se…

Code

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Timeline

Detection, updates, and resolution for this record.

1. May 13, 2026 · NIST NVD

   Detected

   When BIG-IP DNS is provisioned, a vulnerability exists in an undisclosed TMOS Shell (tmsh) command that may allow a highly privileged authenticated attacker to view sensitive information. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

2. Jun 23, 2026 · NIST NVD

   Updated

   When BIG-IP DNS is provisioned, a vulnerability exists in an undisclosed TMOS Shell (tmsh) command that may allow a highly privileged authenticated attacker to view sensitive information. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected

• cpe f5/big-ip access policy managerversion unspecified
• cpe f5/big-ip advanced firewall managerversion unspecified
• cpe f5/big-ip advanced web application firewallversion unspecified
• cpe f5/big-ip analyticsversion unspecified
• cpe f5/big-ip application acceleration managerversion unspecified
• cpe f5/big-ip application security managerversion unspecified
• cpe f5/big-ip application visibility and reportingversion unspecified
• cpe f5/big-ip automation toolchainversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-42408

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-42408

  When BIG-IP DNS is provisioned, a vulnerability exists in an undisclosed TMOS Shell (tmsh) command that may allow a highly privileged authenticated attacker to view sensitive information. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluate

  nvd.nist.gov

References

• Mitigation · my.f5.com