How severe is CVE-2025-29847?

CVE-2025-29847 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-2025-29847 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-29847?

CVE-2025-29847 affects Apache Linkis. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-29847?

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-2025-29847 have an EU (EUVD) identifier?

Yes. CVE-2025-29847 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3229.

When was CVE-2025-29847 published?

CVE-2025-29847 was published on 2026-01-19 and last updated on 2026-06-17.

CVE-2025-29847

CVE-2025-29847 is a high-severity vulnerability in Apache Linkis 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-3229
Weakness: CWE-20
Affected product: Apache Linkis
Published: 2026-01-19
Last modified: 2026-06-17

Description

A vulnerability in Apache Linkis. Problem Description When using the JDBC engine and da When using the JDBC engine and data source functionality, if the URL parameter configured on the frontend has undergone multiple rounds of URL encoding, it may bypass the system's checks. This bypass can trigger a vulnerability that allows unauthorized access to system files via JDBC parameters. Scope of Impact This issue affects Apache Linkis: from 1.3.0 through 1.7.0. Severity level moderate Solution Continuously check if the connection information contains the "%" character; if it does, perform URL decoding. Users are recommended to upgrade to version 1.8.0, which fixes the issue. More questions about this vulnerability can be discussed here: https://lists.apache.org/[email protected]:2025-9:cve

Frequently asked questions

What is CVE-2025-29847?: A vulnerability in Apache Linkis. Problem Description When using the JDBC engine and da When using the JDBC engine and data source functionality, if the URL parameter configured on the frontend has undergone multiple rounds of URL encoding, it may bypass the system's checks. This bypass can trigger a vulnerability that allows unauthorized access to system files via JDBC parameters. Scope of Impact This issue affects Apache Linkis: from 1.3.0 through 1.7.0. Severity level moderate Solution Continuously check if the connection information contains the "%" character; if it does, perform URL decoding. Users are recommended to upgrade to version 1.8.0, which fixes the issue. More questions about this vulnerability can be discussed here: https://lists.apache.org/[email protected]:2025-9:cve
How severe is CVE-2025-29847?: CVE-2025-29847 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-2025-29847 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-29847?: CVE-2025-29847 affects Apache Linkis. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-29847?: 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-2025-29847 have an EU (EUVD) identifier?: Yes. CVE-2025-29847 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3229.
When was CVE-2025-29847 published?: CVE-2025-29847 was published on 2026-01-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:linkis:*:*:*:*:*:*:*:*

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