How severe is CVE-2026-35023?

CVE-2026-35023 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-35023 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-35023?

CVE-2026-35023 affects Wimi-teamwork. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-35023?

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

Does CVE-2026-35023 have an EU (EUVD) identifier?

Yes. CVE-2026-35023 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20472.

When was CVE-2026-35023 published?

CVE-2026-35023 was published on 2026-04-08 and last updated on 2026-06-17.

CVE-2026-35023

CVE-2026-35023 is a medium-severity vulnerability in Wimi-teamwork with a CVSS 3.x base score of 4.3. 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-639.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v4: 5.3
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-20472
Weakness: CWE-639
Affected product: Wimi-teamwork
Published: 2026-04-08
Last modified: 2026-06-17

Description

Wimi Teamwork On-Premises versions prior to 8.2.0 contain an insecure direct object reference vulnerability in the preview.php endpoint where the item_id parameter lacks proper authorization checks. Attackers can enumerate sequential item_id values to access and retrieve image previews from other users' private or group conversations, resulting in unauthorized disclosure of sensitive information.

Frequently asked questions

What is CVE-2026-35023?: Wimi Teamwork On-Premises versions prior to 8.2.0 contain an insecure direct object reference vulnerability in the preview.php endpoint where the item_id parameter lacks proper authorization checks. Attackers can enumerate sequential item_id values to access and retrieve image previews from other users' private or group conversations, resulting in unauthorized disclosure of sensitive information.
How severe is CVE-2026-35023?: CVE-2026-35023 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-35023 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-35023?: CVE-2026-35023 affects Wimi-teamwork. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-35023?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-35023 have an EU (EUVD) identifier?: Yes. CVE-2026-35023 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20472.
When was CVE-2026-35023 published?: CVE-2026-35023 was published on 2026-04-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wimi-teamwork:wimi-teamwork:*:*:*:*:on-premises:*:*:*

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