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Fedora Hugo Vulnerability Leads to Information Disclosure Risk

Fedora Hugo Vulnerability Leads to Information Disclosure Risk

First seen 16 Jun 2026, 03:20 UTC • •
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ThreatCluster AI
ThreatCluster •June 17, 2026 at 02:44 UTC
  • •CVE-2026-35166 allows information disclosure via improper markdown link escaping.
  • •Fedora 43 and 44 users are urged to update to mitigate the vulnerability.
  • •The vulnerability was published on April 6, 2026, and updates were released on June 7, 2026.

On June 7, 2026, updates were released for Fedora 43 and Fedora 44 addressing a vulnerability in Hugo, tracked as CVE-2026-35166. This flaw allows for information disclosure and content manipulation due to improper markdown link escaping. The vulnerability affects users of the Hugo static site generator, which is integrated into Fedora. The updates are crucial as they mitigate risks associated with potential exploitation of the vulnerability. Users are advised to apply the updates using the 'dnf' package manager. The CVE was published on April 6, 2026, highlighting the need for immediate action to secure systems against this risk. The updates are available for installation and are necessary for maintaining the security of Fedora systems.

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Timeline

2026-04-06
CVE-2026-35166 published
CVE-2026-35166 details an information disclosure vulnerability in Hugo affecting Fedora users.
Linuxsecurity
2026-06-07
Fedora updates released
Updates for Fedora 43 and 44 were released to address CVE-2026-35166, mitigating the risk of information disclosure.
Linuxsecurity
2026-06-16
Current status
As of today, users are advised to apply the updates to secure their systems against the vulnerability.
Linuxsecurity

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