How severe is CVE-2025-27526?

CVE-2025-27526 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-27526 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-27526?

CVE-2025-27526 affects Apache Inlong. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-27526?

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

Does CVE-2025-27526 have an EU (EUVD) identifier?

Yes. CVE-2025-27526 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16301.

When was CVE-2025-27526 published?

CVE-2025-27526 was published on 2025-05-28 and last updated on 2026-06-17.

CVE-2025-27526

CVE-2025-27526 is a medium-severity vulnerability in Apache Inlong with a CVSS 3.x base score of 6.5. 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-502.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-16301
Weakness: CWE-502
Affected product: Apache Inlong
Published: 2025-05-28
Last modified: 2026-06-17

Description

Deserialization of Untrusted Data vulnerability in Apache InLong. This issue affects Apache InLong: from 1.13.0 through 2.1.0. This vulnerability which can lead to JDBC Vulnerability URLEncdoe and backspace bypass. Users are advised to upgrade to Apache InLong's 2.2.0 or cherry-pick [1] to solve it. [1] https://github.com/apache/inlong/pull/11747

Frequently asked questions

What is CVE-2025-27526?: Deserialization of Untrusted Data vulnerability in Apache InLong. This issue affects Apache InLong: from 1.13.0 through 2.1.0. This vulnerability which can lead to JDBC Vulnerability URLEncdoe and backspace bypass. Users are advised to upgrade to Apache InLong's 2.2.0 or cherry-pick [1] to solve it. [1] https://github.com/apache/inlong/pull/11747
How severe is CVE-2025-27526?: CVE-2025-27526 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-27526 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-27526?: CVE-2025-27526 affects Apache Inlong. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-27526?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-27526 have an EU (EUVD) identifier?: Yes. CVE-2025-27526 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16301.
When was CVE-2025-27526 published?: CVE-2025-27526 was published on 2025-05-28 and last updated on 2026-06-17.

References

Affected products (1)

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

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