How severe is CVE-2026-29048?

CVE-2026-29048 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-29048 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-29048?

CVE-2026-29048 affects Humhub. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-29048?

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

Does CVE-2026-29048 have an EU (EUVD) identifier?

Yes. CVE-2026-29048 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10014.

When was CVE-2026-29048 published?

CVE-2026-29048 was published on 2026-03-06 and last updated on 2026-06-17.

CVE-2026-29048

CVE-2026-29048 is a medium-severity vulnerability in Humhub with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v4: 6.9
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-10014
Weakness: CWE-79
Affected product: Humhub
Published: 2026-03-06
Last modified: 2026-06-17

Description

HumHub is an Open Source Enterprise Social Network. In version 1.18.0, a cross-site scripting vulnerability was identified in the Button component of version 1.18.0. Due to inconsistent output encoding at several points within the software, malicious scripts could be injected and executed in the context of the user's browser. This issue has been patched in version 1.18.1.

Frequently asked questions

What is CVE-2026-29048?: HumHub is an Open Source Enterprise Social Network. In version 1.18.0, a cross-site scripting vulnerability was identified in the Button component of version 1.18.0. Due to inconsistent output encoding at several points within the software, malicious scripts could be injected and executed in the context of the user's browser. This issue has been patched in version 1.18.1.
How severe is CVE-2026-29048?: CVE-2026-29048 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-29048 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-29048?: CVE-2026-29048 affects Humhub. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-29048?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-29048 have an EU (EUVD) identifier?: Yes. CVE-2026-29048 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10014.
When was CVE-2026-29048 published?: CVE-2026-29048 was published on 2026-03-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:humhub:humhub:1.18.0:-:*:*:*:*:*:*

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