CVE-2026-40178
CVE-2026-40178 is a medium-severity vulnerability in Ajenti Ajenti Plugin Core with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.
Key facts
- Severity: Medium (CVSS 3.x base score 5.9)
- CVSS v4: 6.9
- EPSS exploit prediction: 0% (14th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-21577
- Weakness: CWE-287
- Affected product: Ajenti Ajenti Plugin Core
- Published:
- Last modified:
Description
ajenti.plugin.core defines all necessary core elements to allow Ajenti to run properly. Prior to 0.112, if the 2FA was activated, it was possible during a short moment after the authentication of an user to bypass its authentication. This vulnerability is fixed in 0.112.
Frequently asked questions
- What is CVE-2026-40178?
- ajenti.plugin.core defines all necessary core elements to allow Ajenti to run properly. Prior to 0.112, if the 2FA was activated, it was possible during a short moment after the authentication of an user to bypass its authentication. This vulnerability is fixed in 0.112.
- How severe is CVE-2026-40178?
- CVE-2026-40178 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2026-40178 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-40178?
- CVE-2026-40178 affects Ajenti Ajenti Plugin Core. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-40178?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-40178 have an EU (EUVD) identifier?
- Yes. CVE-2026-40178 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21577.
- When was CVE-2026-40178 published?
- CVE-2026-40178 was published on 2026-04-10 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:ajenti:ajenti_plugin_core:*:*:*:*:*:*:*:*
More vulnerabilities in Ajenti Ajenti Plugin Core
- CVE-2026-40177 — High (CVSS 7.5): ajenti.plugin.core defines all necessary core elements to allow Ajenti to run properly. Prior to 0.112, if the 2FA was…
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- CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
- CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…
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