How severe is CVE-2026-7306?

CVE-2026-7306 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-7306 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-7306?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-7306 have an EU (EUVD) identifier?

Yes. CVE-2026-7306 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26150.

When was CVE-2026-7306 published?

CVE-2026-7306 was published on 2026-04-28 and last updated on 2026-06-17.

CVE-2026-7306

CVE-2026-7306 is a medium-severity vulnerability with a CVSS 3.x base score of 5.6. 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-320.

Key facts

Severity: Medium (CVSS 3.x base score 5.6)
CVSS v2: 5.1
CVSS v4: 2.9
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26150
Weakness: CWE-320
Published: 2026-04-28
Last modified: 2026-06-17

Description

A security vulnerability has been detected in Xuxueli xxl-job up to 3.3.2. The impacted element is an unknown function of the file xxl-job-admin/src/main/java/com/xxl/job/admin/scheduler/openapi/OpenApiController.java of the component OpenAPI Endpoint. Such manipulation of the argument default_token leads to use of hard-coded cryptographic key . It is possible to launch the attack remotely. A high complexity level is associated with this attack. The exploitability is regarded as difficult. The exploit has been disclosed publicly and may be used.

Frequently asked questions

What is CVE-2026-7306?: A security vulnerability has been detected in Xuxueli xxl-job up to 3.3.2. The impacted element is an unknown function of the file xxl-job-admin/src/main/java/com/xxl/job/admin/scheduler/openapi/OpenApiController.java of the component OpenAPI Endpoint. Such manipulation of the argument default_token leads to use of hard-coded cryptographic key . It is possible to launch the attack remotely. A high complexity level is associated with this attack. The exploitability is regarded as difficult. The exploit has been disclosed publicly and may be used.
How severe is CVE-2026-7306?: CVE-2026-7306 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-7306 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-7306?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-7306 have an EU (EUVD) identifier?: Yes. CVE-2026-7306 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26150.
When was CVE-2026-7306 published?: CVE-2026-7306 was published on 2026-04-28 and last updated on 2026-06-17.

References

Other CWE-320 vulnerabilities

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CVE-2018-0124 — Critical (CVSS 9.8): A vulnerability in Cisco Unified Communications Domain Manager could allow an unauthenticated, remote attacker to…
CVE-2015-0936 — Critical (CVSS 9.8): Ceragon FibeAir IP-10 have a default SSH public key in the authorized_keys file for the mateidu user, which allows…
CVE-2015-4166 — Critical (CVSS 9.8): Cloudera Key Trustee Server before 5.4.3 does not store keys synchronously, which might allow attackers to have…
CVE-2024-36391 — Critical (CVSS 9.1): MileSight DeviceHub - CWE-320: Key Management Errors may allow Authentication Bypass and Man-In-The-Middle Traffic

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