How serious is CVE-2026-26377?

This vulnerability has a CVSS score of 5.4 out of 10, classified as MEDIUM severity. No public exploit code has been identified yet.

Which products are affected by CVE-2026-26377?

CVE-2026-26377 affects koha koha. Check the full CVE details for specific version information.

How do I fix CVE-2026-26377?

To remediate CVE-2026-26377, check for security patches from koha. Apply all available updates and security patches. If no patch is available, implement recommended workarounds or security controls to mitigate the risk.

CVE-2026-26377

Medium

|5.4

No Exploit

Plain English Summary

AI-powered analysis for quick understanding

This vulnerability allows an attacker to run harmful code on a Koha system by exploiting the News function, which could lead to unauthorized actions or data theft. To take advantage of this, the attacker needs to trick a user into clicking on a malicious link while using the affected version of Koha.

Technical Description

Cross Site Scripting vulnerability in Koha 25.11 and before allows a remote attacker to execute arbitrary code via the News function.

CVSS Vector Analysis

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

Confidentiality ImpactLow

Integrity ImpactLow

Availability ImpactNone

ScopeChanged

Vector String

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

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

$741($500-$1K)

Vendor Response

Grade APatched in 5 days

Quick Information

Published

Mar 5, 2026

about 1 month ago

Last Modified

Mar 10, 2026

28 days ago

Vendor

koha

Product

koha