CVE-2026-30778
CVE-2026-30778 is a high-severity vulnerability in Apache Skywalking with a CVSS 3.x base score of 7.5. 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-202.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (42nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-22913
- Weakness: CWE-202
- Affected product: Apache Skywalking
- Published:
- Last modified:
Description
The SkyWalking OAP /debugging/config/dump endpoint may leak sensitive configuration information of MySQL/PostgreSQL. This issue affects Apache SkyWalking: from 9.7.0 through 10.3.0. Users are recommended to upgrade to version 10.4.0, which fixes the issue.
Frequently asked questions
- What is CVE-2026-30778?
- The SkyWalking OAP /debugging/config/dump endpoint may leak sensitive configuration information of MySQL/PostgreSQL. This issue affects Apache SkyWalking: from 9.7.0 through 10.3.0. Users are recommended to upgrade to version 10.4.0, which fixes the issue.
- How severe is CVE-2026-30778?
- CVE-2026-30778 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2026-30778 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-30778?
- CVE-2026-30778 affects Apache Skywalking. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-30778?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-30778 have an EU (EUVD) identifier?
- Yes. CVE-2026-30778 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22913.
- When was CVE-2026-30778 published?
- CVE-2026-30778 was published on 2026-04-15 and last updated on 2026-06-17.
References
- https://lists.apache.org/thread/pvf35o3tp1rqhmrhzj6fg31gvqrqcvn3
- http://www.openwall.com/lists/oss-security/2026/04/15/2
Affected products (1)
- cpe:2.3:a:apache:skywalking:*:*:*:*:*:*:*:*
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