How severe is CVE-2026-34020?

CVE-2026-34020 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-2026-34020 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-34020?

CVE-2026-34020 affects Apache Openmeetings. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-34020?

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-2026-34020 have an EU (EUVD) identifier?

Yes. CVE-2026-34020 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20938.

When was CVE-2026-34020 published?

CVE-2026-34020 was published on 2026-04-09 and last updated on 2026-06-17.

CVE-2026-34020

CVE-2026-34020 is a high-severity vulnerability in Apache Openmeetings 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-598.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-20938
Weakness: CWE-598
Affected product: Apache Openmeetings
Published: 2026-04-09
Last modified: 2026-06-17

Description

Use of GET Request Method With Sensitive Query Strings vulnerability in Apache OpenMeetings. The REST login endpoint uses HTTP GET method with username and password passed as query parameters. Please check references regarding possible impact This issue affects Apache OpenMeetings: from 3.1.3 before 9.0.0. Users are recommended to upgrade to version 9.0.0, which fixes the issue.

Frequently asked questions

What is CVE-2026-34020?: Use of GET Request Method With Sensitive Query Strings vulnerability in Apache OpenMeetings. The REST login endpoint uses HTTP GET method with username and password passed as query parameters. Please check references regarding possible impact This issue affects Apache OpenMeetings: from 3.1.3 before 9.0.0. Users are recommended to upgrade to version 9.0.0, which fixes the issue.
How severe is CVE-2026-34020?: CVE-2026-34020 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-2026-34020 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-34020?: CVE-2026-34020 affects Apache Openmeetings. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-34020?: 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-2026-34020 have an EU (EUVD) identifier?: Yes. CVE-2026-34020 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20938.
When was CVE-2026-34020 published?: CVE-2026-34020 was published on 2026-04-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:openmeetings:*:*:*:*:*:*:*:*

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