CVE-2026-39713
CVE-2026-39713 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. 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-862.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- EPSS exploit prediction: 0% (9th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-20424
- Weakness: CWE-862
- Published:
- Last modified:
Description
Missing Authorization vulnerability in mailercloud Mailercloud – Integrate webforms and synchronize website contacts mailercloud-integrate-webforms-synchronize-contacts allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Mailercloud – Integrate webforms and synchronize website contacts: from n/a through <= 1.0.7.
Frequently asked questions
- What is CVE-2026-39713?
- Missing Authorization vulnerability in mailercloud Mailercloud – Integrate webforms and synchronize website contacts mailercloud-integrate-webforms-synchronize-contacts allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Mailercloud – Integrate webforms and synchronize website contacts: from n/a through <= 1.0.7.
- How severe is CVE-2026-39713?
- CVE-2026-39713 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2026-39713 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-39713?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-39713 have an EU (EUVD) identifier?
- Yes. CVE-2026-39713 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20424.
- When was CVE-2026-39713 published?
- CVE-2026-39713 was published on 2026-04-08 and last updated on 2026-06-17.
References
Other CWE-862 (Missing Authorization) vulnerabilities
- CVE-2026-0092 — Critical (CVSS 10.0): In Package Manager, there is a possible device lock controller bypass due to a missing permission check. This could…
- CVE-2026-33712 — Critical (CVSS 10.0): Typebot is a chatbot builder tool. In versions 3.15.2 and prior, the preview chat endpoint (POST…
- CVE-2026-2031 — Critical (CVSS 10.0): An Improper Access Control vulnerability in several internal API endpoints for Google Cloud Application Integration…
- CVE-2026-34976 — Critical (CVSS 10.0): Dgraph is an open source distributed GraphQL database. Prior to 25.3.1, the restoreTenant admin mutation is missing…
- CVE-2025-30416 — Critical (CVSS 10.0): Sensitive data disclosure and manipulation due to missing authorization. The following products are affected: Acronis…
- CVE-2025-45854 — Critical (CVSS 10.0): /server/executeExec of JEHC-BPM 2.0.1 allows attackers to execute arbitrary code via execParams.
Browse all CWE-862 (Missing Authorization) vulnerabilities →