Common Weakness Enumeration
CWE-322
AllowedKey Exchange without Entity Authentication
Abstraction: Base · Status: Draft
The product performs a key exchange with an actor without verifying the identity of that actor.
50 vulnerabilities reference this CWE, most recent first.
CVE-2026-89422 (GCVE-0-2026-89422)
Vulnerability from cvelistv5 – Published: 2026-09-22 08:49 – Updated: 2026-09-22 13:08
VLAI
EPSS
VEX
Title
TLS 1.3 client skips server authentication when ServerHello carries an unsolicited pre_shared_key extension
Summary
Key Exchange without Entity Authentication vulnerability in Erlang/OTP ssl allows a peer that answers a TLS 1.3 client connection to impersonate the intended server. A pre_shared_key extension in the ServerHello that the client never offered causes the client to complete the handshake without validating the server's certificate, so ssl:connect returns {ok, Socket} against a peer holding no certificate, no private key and no prior session.
tls_client_connection_1_3:handle_server_hello/2 passes the received extension to tls_gen_connection_1_3:handle_resumption/2, which sets resumption = true on its mere presence without checking that the client offered a PSK. tls_handshake_1_3:get_pre_shared_key/4 meanwhile falls back to the all-zero "no PSK" value and keys the handshake with the ordinary non-PSK schedule, so the attacker's own ephemeral key suffices. The resumption flag then routes maybe_resumption/1 straight to wait_finished, skipping the certificate-handling states, so certificate path validation, verify_fun, hostname verification, partial_chain, CRL checking and OCSP stapling are all bypassed. The default client configuration is affected; clients restricted to TLS 1.2 are not.
This issue affects OTP from OTP 22.2 before OTP 27.3.4.18, OTP 28.5.0.7, and OTP 29.1.1, corresponding to ssl from 9.5 before 11.2.12.13, 11.6.0.6, and 11.7.7.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 13:08 UTC
CWE
- CWE-322 - Key Exchange without Entity Authentication
Assigner
References
8 references
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Erlang | OTP |
Affected:
22.2 , < *
(otp)
cpe:2.3:a:erlang:erlang\/otp:*:*:*:*:*:*:*:* |
|
| Erlang | OTP |
Affected:
9.5 , < *
(otp)
cpe:2.3:a:erlang:erlang\/otp:*:*:*:*:*:*:*:* |
|
| Erlang | OTP |
Affected:
21b8a1b0ad0adf200682b3854bc50114ab2b8c62 , < *
(git)
cpe:2.3:a:erlang:erlang\/otp:*:*:*:*:*:*:*:* |
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CVE-2026-77703 (GCVE-0-2026-77703)
Vulnerability from cvelistv5 – Published: 2026-09-24 14:38 – Updated: 2026-09-24 14:54
VLAI
EPSS
VEX
Title
SSH Host Key Verification Bypass in HAVELSAN's Liman Render Engine
Summary
Key exchange without entity authentication vulnerability in HAVELSAN Inc. Liman Render Engine allows Adversary in the Middle (AiTM).
This issue affects Liman Render Engine: from 1.0 before 1.2-75.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-24 14:53 UTC
CWE
- CWE-322 - Key exchange without entity authentication
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://siberguvenlik.gov.tr/guvenlik-bildirimler… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| HAVELSAN Inc. | Liman Render Engine |
Affected:
1.0 , < 1.2-75
(custom)
|
Date Public
2026-09-24 14:10
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CVE-2026-58065 (GCVE-0-2026-58065)
Vulnerability from cvelistv5 – Published: 2026-07-13 15:00 – Updated: 2026-09-16 15:06
VLAI
EPSS
VEX
Title
Apache Airflow Git provider: Git provider hook defaults to StrictHostKeyChecking=no, disabling SSH host-key verification
Summary
The Apache Airflow Git provider runs its git-over-SSH operations with `StrictHostKeyChecking=no` by default, disabling SSH host-key verification. An attacker who can intercept the network path between an Airflow worker and the Git server can impersonate the server (man-in-the-middle), capturing the SSH deploy key or injecting malicious repository content. Deployments that use the Git DAG bundle or Git provider to clone over SSH with a deploy key are affected. The fix changes the default to verify host keys; upgrade to apache-airflow-providers-git `0.4.1` or later and configure a `known_hosts` file.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-14 13:38 UTC
CWE
- CWE-322 - Key Exchange without Entity Authentication
Assigner
References
3 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Airflow Git provider |
Affected:
0 , < 0.4.1
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CVE-2026-45361 (GCVE-0-2026-45361)
Vulnerability from cvelistv5 – Published: 2026-05-25 09:34 – Updated: 2026-06-01 15:48
VLAI
EPSS
VEX
Title
Apache Airflow Google provider: SSH host key verification disabled in ComputeEngineSSHHook (paramiko AutoAddPolicy default)
Summary
Apache Airflow providers-google's `ComputeEngineSSHHook` disables SSH host-key verification by default, exposing SSH traffic between an Airflow worker and a Compute Engine VM to in-path network attackers who can intercept or modify the session. Users are advised to upgrade to `apache-airflow-providers-google` 22.0.0 or later.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-26 14:34 UTC
CWE
- CWE-322 - Key Exchange without Entity Authentication
Assigner
References
3 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Airflow Google provider |
Affected:
0 , < 22.0.0
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CVE-2026-44467 (GCVE-0-2026-44467)
Vulnerability from cvelistv5 – Published: 2026-05-13 15:40 – Updated: 2026-05-14 18:29
VLAI
EPSS
VEX
Title
Claude Desktop: SSH Host Key Verification Bypass Allows Man-in-the-Middle Attack on Remote Sessions
Summary
The Claude Desktop app gives you Claude Code with a graphical interface built for running multiple sessions side by side. From 1.2581.0 to before 1.4304.0, Claude Desktop's SSH remote development feature verified only whether a hostname existed in ~/.ssh/known_hosts without comparing the server's presented host key against the stored key. This allowed a network-positioned attacker to present an arbitrary SSH host key and have the connection silently accepted, enabling a man-in-the-middle attack on remote development sessions. Successful exploitation required the attacker to be in a network position to intercept SSH traffic (e.g., via ARP spoofing, rogue Wi-Fi, or DNS poisoning) and the target hostname to already have an entry in the victim's known_hosts file. This vulnerability is fixed in 1.4304.0.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-14 18:28 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/anthropics/claude-code/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| anthropics | claude-code |
Affected:
>= 1.2581.0, < 1.4304.0
|
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CVE-2026-33697 (GCVE-0-2026-33697)
Vulnerability from cvelistv5 – Published: 2026-03-26 23:34 – Updated: 2026-03-27 19:59
VLAI
EPSS
VEX
Title
CoCoS attested TLS is vulnerable to relay attacks via extracted ephemeral TLS keys
Summary
Cocos AI is a confidential computing system for AI. The current implementation of attested TLS (aTLS) in CoCoS is vulnerable to a relay attack affecting all versions from v0.4.0 through v0.8.2. This vulnerability is present in both the AMD SEV-SNP and Intel TDX deployment targets supported by CoCoS. In the affected design, an attacker may be able to extract the ephemeral TLS private key used during the intra-handshake attestation. Because the attestation evidence is bound to the ephemeral key but not to the TLS channel, possession of that key is sufficient to relay or divert the attested TLS session. A client will accept the connection under false assumptions about the endpoint it is communicating with — the attestation report cannot distinguish the genuine attested service from the attacker's relay. This undermines the intended authentication guarantees of attested TLS. A successful attack may allow an attacker to impersonate an attested CoCoS service and access data or operations that the client intended to send only to the genuine attested endpoint. Exploitation requires the attacker to first extract the ephemeral TLS private key, which is possible through physical access to the server hardware, transient execution attacks, or side-channel attacks. Note that the aTLS implementation was fully redesigned in v0.7.0, but the redesign does not address this vulnerability. The relay attack weakness is architectural and affects all releases in the v0.4.0–v0.8.2 range. This vulnerability class was formally analyzed and demonstrated across multiple attested TLS implementations, including CoCoS, by researchers whose findings were disclosed to the IETF TLS Working Group. Formal verification was conducted using ProVerif. As of time of publication, there is no patch available. No complete workaround is available. The following hardening measures reduce but do not eliminate the risk: Keep TEE firmware and microcode up to date to reduce the key-extraction surface; define strict attestation policies that validate all available report fields, including firmware versions, TCB levels, and platform configuration registers; and/or enable mutual aTLS with CA-signed certificates where deployment architecture permits.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-27 13:27 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/ultravioletrs/cocos/security/a… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ultravioletrs | cocos |
Affected:
>= 0.4.0, < 0.8.2
|
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CVE-2026-18654 (GCVE-0-2026-18654)
Vulnerability from cvelistv5 – Published: 2026-08-03 19:38 – Updated: 2026-08-04 19:32
VLAI
EPSS
VEX
Title
Disabled SSH host key verification in Amazon AWS CLI EMR helper commands
Summary
Key exchange without entity authentication in the EMR SSH helper commands in Amazon AWS CLI before 1.45.28 and AWS CLI v2 before 2.35.3 might allow man-in-the-middle attackers to intercept SSHsessions and file transfers via network positioning between the client and the EMR cluster endpoint.
To remediate this issue, users should upgrade to AWS CLI v1 1.45.28 or later, or AWS CLI v2 2.35.3 or later.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-04 19:32 UTC
CWE
- CWE-322 - Key exchange without entity authentication
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/aws/aws-cli/blob/develop/CHANG… | patchrelease-notes |
| https://github.com/aws/aws-cli/blob/v2/CHANGELOG.rst | patchrelease-notes |
| https://aws.amazon.com/security/security-bulletin… | vendor-advisory |
| https://github.com/aws/aws-cli/security/advisorie… | release-notes |
Impacted products
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CVE-2026-1709 (GCVE-0-2026-1709)
Vulnerability from cvelistv5 – Published: 2026-02-06 19:13 – Updated: 2026-07-15 01:21
VLAI
EPSS
VEX
Title
Keylime: keylime: authentication bypass allows unauthorized administrative operations due to missing client-side tls authentication
Summary
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.
Severity
9.4 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-06 19:38 UTC
CWE
- CWE-322 - Key Exchange without Entity Authentication
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:2224 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:2225 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:2298 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2026-1709 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2435514 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
0:7.12.1-11.el10_1.4 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:10.1 |
|
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support |
Unaffected:
0:7.12.1-2.el10_0.5 , < *
(rpm)
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:7.12.1-11.el9_7.4 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::appstream |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:7.12.1-11.el9_7.4 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9 |
Date Public
2026-02-06 17:45
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CVE-2026-1354 (GCVE-0-2026-1354)
Vulnerability from cvelistv5 – Published: 2026-04-21 21:43 – Updated: 2026-06-24 21:43
VLAI
EPSS
VEX
Title
Zero Motorcycles Firmware Key Exchange without Entity Authentication
Summary
Zero Motorcycles firmware versions 44 and prior enable an attacker to
forcibly pair a device with the motorcycle via Bluetooth. Once paired,
an attacker can utilize over-the-air firmware updating functionality to
potentially upload malicious firmware to the motorcycle. The motorcycle
must first be in Bluetooth pairing mode, and the attacker must be in
proximity of the vehicle and understand the full pairing process, to be
able to pair their device with the vehicle. The attacker's device must
remain paired with and in proximity of the motorcycle for the entire
duration of the firmware update.
Severity
6.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-22 17:50 UTC
CWE
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zero Motorcycles | Zero Motorcycles firmware |
Affected:
0 , ≤ 44
(custom)
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CVE-2025-62501 (GCVE-0-2025-62501)
Vulnerability from cvelistv5 – Published: 2026-02-03 18:52 – Updated: 2026-03-16 17:23
VLAI
EPSS
VEX
Title
SSH Hostkey Misconfiguration Vulnerability in TP-Link Archer AX53
Summary
SSH Hostkey misconfiguration vulnerability in TP-Link Archer AX53 v1.0 (tmpserver modules) allows attackers to obtain device credentials through a specially crafted man‑in‑the‑middle (MITM) attack. This could enable unauthorized access if captured credentials are reused.This issue affects Archer AX53 v1.0: through 1.3.1 Build 20241120.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-04 04:56 UTC
CWE
- CWE-322 - Key Exchange without Entity Authentication
Assigner
References
5 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link Systems Inc. | Archer AX53 v1.0 |
Affected:
0 , ≤ 1.3.1 Build 20241120
(custom)
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Mitigation
Architecture and Design
Ensure that proper authentication is included in the system design.
Mitigation
Implementation
Understand and properly implement all checks necessary to ensure the identity of entities involved in encrypted communications.
No CAPEC attack patterns related to this CWE.