CVE-2026-121565
Tanium addressed an improper certificate validation vulnerability in multiple products
Tanium addressed an improper certificate validation vulnerability in multiple products. Products have been updated to distrust several intermediate CA certificates associated with compromised private keys.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
7.4
Tanium addressed an improper certificate validation vulnerability in multiple products
Tanium addressed an improper certificate validation vulnerability in multiple products. Products have been updated to distrust several intermediate CA certificates associated with compromised private keys.
- Record
CVE-2026-121565- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-295
- Updated
- 2026-11-04
EUVDEUVD-2026-116547
7.4
Tanium addressed an improper certificate validation vulnerability in multiple products. Products have been updated to distrust several intermediate CA certificates associated with compromised private keys.
- Record
EUVD-2026-116547- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-04
GitHub AdvisoriesGHSA-ww98-p29q-34hf
7.4
Tanium addressed an improper certificate validation vulnerability in multiple products. Products...
Tanium addressed an improper certificate validation vulnerability in multiple products. Products have been updated to distrust several intermediate CA certificates associated with compromised private keys.
- Record
GHSA-ww98-p29q-34hf- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-295
- Updated
- 2026-11-04
NVD
7.4
Tanium addressed an improper certificate validation vulnerability in multiple products. Products have been updated to distrust several intermediate CA certificates associated with compromised private keys.
- Record
CVE-2026-121565- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-295
- Updated
- 2026-11-04
Affected products
- bluecats reveal
- tanium asset
- tanium comply
- tanium connect
- tanium endpoint configuration toolset solution
- tanium health check
- tanium integrity monitor
- tanium patch
- tanium performance
- tanium provision host
- tanium reputation
- tanium reveal
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History
| Recorded | Changed | Sources |
|---|---|---|
| published | EUVD | |
| published | EUVD, NVD | |
| aliases, references | GitHub Advisories | |
| first indexed | CVE List, EUVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-121565 is a high vulnerability (CVSS 7.4) in Bluecats Reveal, published November 3, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.16%, the 5th percentile. No source names a fixed version.