Keylime 7.12.0 TLS Authentication key exchange without entity authentication
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.8 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in Keylime 7.12.0 and classified as critical. This issue affects some unknown processing of the component TLS Authentication. The manipulation leads to key exchange without entity authentication. This vulnerability is documented as CVE-2026-1709. The attack can be initiated remotely. There is not any exploit available.
Details
A vulnerability, which was classified as critical, has been found in Keylime 7.12.0. This issue affects an unknown part of the component TLS Authentication. The manipulation with an unknown input leads to a key exchange without entity authentication vulnerability. Using CWE to declare the problem leads to CWE-322. The product performs a key exchange with an actor without verifying the identity of that actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
A flaw was found in Keylime. The Keylime registrar, since version 7.12.0, does not enforce client-side Transport Layer Security (TLS) authentication. This authentication bypass vulnerability allows unauthenticated clients with network access to perform administrative operations, including listing agents, retrieving public Trusted Platform Module (TPM) data, and deleting agents, by connecting without presenting a client certificate.
It is possible to read the advisory at access.redhat.com. The identification of this vulnerability is CVE-2026-1709 since 01/30/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/05/2026).
The vulnerability scanner Nessus provides a plugin with the ID 298275 (Linux Distros Unpatched Vulnerability : CVE-2026-1709), which helps to determine the existence of the flaw in a target environment.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the databases at Tenable (298275), EUVD (EUVD-2026-5599) and CERT Bund (WID-SEC-2026-0339). Be aware that VulDB is the high quality source for vulnerability data.
Affected
- Red Hat Enterprise Linux
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.8VulDB Meta Temp Score: 8.8
VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔒
CNA Base Score: 9.4
CNA Vector (redhat): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Key exchange without entity authenticationCWE: CWE-322 / CWE-320
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 298275
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-1709
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
01/30/2026 CVE reserved02/06/2026 Advisory disclosed
02/06/2026 VulDB entry created
03/05/2026 VulDB entry last update
Sources
Advisory: access.redhat.comStatus: Not defined
CVE: CVE-2026-1709 (🔒)
GCVE (CVE): GCVE-0-2026-1709
GCVE (VulDB): GCVE-100-344711
EUVD: 🔒
CERT Bund: WID-SEC-2026-0339 - Red Hat Enterprise Linux (Keylime): Schwachstelle ermöglicht Erlangen von Administratorrechten
Entry
Created: 02/06/2026 21:17Updated: 03/05/2026 22:13
Changes: 02/06/2026 21:17 (60), 02/07/2026 11:50 (2), 02/07/2026 14:37 (1), 02/09/2026 11:54 (7), 03/05/2026 22:13 (11)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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