How serious is CVE-2026-29048?

This vulnerability has a CVSS score of 6.9 out of 10, classified as MEDIUM severity. Proof-of-concept exploit code is publicly available, making this an active threat.

Is there exploit code available for CVE-2026-29048?

Yes, proof-of-concept exploit code for CVE-2026-29048 is publicly available on GitHub and security research platforms. This increases the risk of active exploitation.

Which products are affected by CVE-2026-29048?

CVE-2026-29048 affects humhub humhub. Check the full CVE details for specific version information.

How do I fix CVE-2026-29048?

To remediate CVE-2026-29048, check for security patches from humhub. Apply all available updates and security patches. If no patch is available, implement recommended workarounds or security controls to mitigate the risk.

CVE-2026-29048

Medium

|6.9

Exploit Available

Plain English Summary

AI-powered analysis for quick understanding

This vulnerability allows an attacker to inject and execute malicious scripts in a user's browser when they interact with certain buttons in the software. It occurs due to improper handling of user input in version 1.18.0, and users should upgrade to version 1.18.1 to protect themselves.

Technical 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.

CVSS Vector Analysis

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

Confidentiality ImpactHigh

Integrity ImpactHigh

Availability ImpactHigh

ScopeChanged

Vector String

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Exploit Resources

Search for proof-of-concept code and exploit modules

GitHub Search Exploit-DB Nuclei Templates Metasploit Vulners

Official References

NIST NVD

Est. Bounty

$1,000($500-$1K)

Vendor Response

Grade APatched in 3 days

Quick Information

Published

Mar 6, 2026

about 1 month ago

Last Modified

Mar 9, 2026

29 days ago

Vendor

humhub

Product

humhub