How severe is CVE-2026-63043?

CVE-2026-63043 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-2026-63043 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-63043?

CVE-2026-63043 affects Apache Inlong. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-63043?

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.

When was CVE-2026-63043 published?

CVE-2026-63043 was published on 2026-08-20 and last updated on 2026-08-27.

CVE-2026-63043

CVE-2026-63043 is a high-severity vulnerability in Apache Inlong 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-23.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-23
Affected product: Apache Inlong
Published: 2026-08-20
Last modified: 2026-08-27

Description

Relative Path Traversal vulnerability in Apache InLong. Arbitrary file read from the Agent host filesystem. This issue affects Apache InLong: from 2.0.0 before 2.4.0. Users are advised to upgrade to Apache InLong's 2.4.0 or cherry-pick [1] to solve it. [1] https://github.com/apache/inlong/pull/12146 .

Frequently asked questions

What is CVE-2026-63043?: Relative Path Traversal vulnerability in Apache InLong. Arbitrary file read from the Agent host filesystem. This issue affects Apache InLong: from 2.0.0 before 2.4.0. Users are advised to upgrade to Apache InLong's 2.4.0 or cherry-pick [1] to solve it. [1] https://github.com/apache/inlong/pull/12146 .
How severe is CVE-2026-63043?: CVE-2026-63043 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-2026-63043 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-63043?: CVE-2026-63043 affects Apache Inlong. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-63043?: 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.
When was CVE-2026-63043 published?: CVE-2026-63043 was published on 2026-08-20 and last updated on 2026-08-27.

References

Affected products (1)

cpe:2.3:a:apache:inlong:*:*:*:*:*:*:*:*

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