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CVE-2026-40243

Опубликовано: 06 мая 2026
Источник: ubuntu
Приоритет: medium
EPSS Низкий
CVSS3: 4.8

Описание

Incus is a system container and virtual machine manager. In versions before 7.0.0, broken TLS validation logic in the OVN database connection logic can allow connections to an attacker's OVN database. The OVN client implementations disable Go standard TLS server verification and replace it with custom peer-certificate verification logic. That replacement verifier does not anchor trust in the configured CA certificate. Instead, it constructs the verification root set from certificates supplied by the peer during the handshake, so the configured CA is parsed but not used as the trust anchor for the final verification decision. In OVN-enabled deployments that use these SSL database connection paths, an attacker able to impersonate or intercept the OVN endpoint on the management network can present a rogue self-signed certificate chain, and Incus will accept this certificate as valid. This issue defeats the intended CA-based trust model for OVN database connections and permits endpoint ...

РелизСтатусПримечание
devel

needs-triage

esm-apps/noble

needs-triage

esm-apps/resolute

needs-triage

jammy

DNE

noble

needs-triage

questing

ignored

end of life, was needs-triage
resolute

needs-triage

upstream

needs-triage

Показывать по

EPSS

Процентиль: 7%
0.00173
Низкий

4.8 Medium

CVSS3

Связанные уязвимости

CVSS3: 4.8
nvd
3 месяца назад

Incus is a system container and virtual machine manager. In versions before 7.0.0, broken TLS validation logic in the OVN database connection logic can allow connections to an attacker's OVN database. The OVN client implementations disable Go standard TLS server verification and replace it with custom peer-certificate verification logic. That replacement verifier does not anchor trust in the configured CA certificate. Instead, it constructs the verification root set from certificates supplied by the peer during the handshake, so the configured CA is parsed but not used as the trust anchor for the final verification decision. In OVN-enabled deployments that use these SSL database connection paths, an attacker able to impersonate or intercept the OVN endpoint on the management network can present a rogue self-signed certificate chain, and Incus will accept this certificate as valid. This issue defeats the intended CA-based trust model for OVN database connections and permits endpoint im

CVSS3: 4.8
debian
3 месяца назад

Incus is a system container and virtual machine manager. In versions b ...

CVSS3: 2.3
github
3 месяца назад

Incus has an OVN TLS Verification that Accepts Peer-Supplied Roots

CVSS3: 4.8
fstec
10 месяцев назад

Уязвимость клиента OVN системы управления контейнерами и менеджера виртуальных машин Incus, позволяющая нарушителю осуществить атаку типа «человек посередине»

CVSS3: 4.2
redos
около 1 месяца назад

Уязвимость incus

EPSS

Процентиль: 7%
0.00173
Низкий

4.8 Medium

CVSS3