How severe is CVE-2025-26864?

CVE-2025-26864 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-2025-26864 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-26864?

CVE-2025-26864 primarily affects Apache Iotdb. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-26864?

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-2025-26864 have an EU (EUVD) identifier?

Yes. CVE-2025-26864 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14874.

When was CVE-2025-26864 published?

CVE-2025-26864 was published on 2025-05-14 and last updated on 2026-06-17.

CVE-2025-26864

CVE-2025-26864 is a high-severity vulnerability in Apache Iotdb 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-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-14874
Weakness: CWE-200
Affected product: Apache Iotdb
Published: 2025-05-14
Last modified: 2026-06-17

Description

Exposure of Sensitive Information to an Unauthorized Actor, Insertion of Sensitive Information into Log File vulnerability in the OpenIdAuthorizer of Apache IoTDB. This issue affects Apache IoTDB: from 0.10.0 through 1.3.3, from 2.0.1-beta before 2.0.2. Users are recommended to upgrade to version 1.3.4 and 2.0.2, which fix the issue.

Frequently asked questions

What is CVE-2025-26864?: Exposure of Sensitive Information to an Unauthorized Actor, Insertion of Sensitive Information into Log File vulnerability in the OpenIdAuthorizer of Apache IoTDB. This issue affects Apache IoTDB: from 0.10.0 through 1.3.3, from 2.0.1-beta before 2.0.2. Users are recommended to upgrade to version 1.3.4 and 2.0.2, which fix the issue.
How severe is CVE-2025-26864?: CVE-2025-26864 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-2025-26864 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-26864?: CVE-2025-26864 primarily affects Apache Iotdb. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-26864?: 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-2025-26864 have an EU (EUVD) identifier?: Yes. CVE-2025-26864 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14874.
When was CVE-2025-26864 published?: CVE-2025-26864 was published on 2025-05-14 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:apache:iotdb:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:iotdb:2.0.1:beta:*:*:*:*:*:*

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