Bundesamt für Sicherheit in der Informationstechnik Debian · Ruby: Schwachstelle ermöglicht Offenlegung von Informationen
Affects Bundesamt für Sicherheit in der Informationstechnik DebianSource GCVE Database
Not known to be exploited · CVSS 2.1 Low.
Data as of 9 Nov 2026, 14:51 UTC
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 30 Dec 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 9 Nov 2026.
What to do
AI-suggested
Fixes for this vulnerability are available and should be applied promptly. Red Hat users should update Ruby packages to the versions provided in the RHSA-2025:23141 advisory for RHEL 10. Ubuntu users should apply the updates listed in USN-8137-1 or use Ubuntu Pro for older LTS versions to receive the fixes. Standard system updates will apply the necessary patches. No additional mitigation steps are indicated by the vendor advisories.
Description
CVE-2025-61594 is a vulnerability in the Ruby URI gem where sensitive information may be improperly handled when combining URIs, potentially allowing a remote attacker to leak authentication credentials. This issue affects multiple Ruby versions distributed with various Linux distributions including Debian, Red Hat Enterprise Linux, and Ubuntu. Red Hat has released updates for Ruby in RHEL 10 to address related security issues, and Ubuntu has issued advisories with fixed package versions. The vulnerability is rated as moderate severity by Red Hat, and fixes are available through standard system updates or Ubuntu Pro for older releases.
References
- wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-2215.json (opens in a new tab)
- wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-2215 (opens in a new tab)
- ruby-lang.org/en/news/2025/10/07/uri-cve-2025-61594/ (opens in a new tab)
- lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/GAC2NPALB3D5I6SIBYJTJD2GK7JVDXUT/ (opens in a new tab)
- bodhi.fedoraproject.org/updates/FEDORA-2025-5805ed7a8f (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:23141 (opens in a new tab)
- linux.oracle.com/errata/ELSA-2025-23062.html (opens in a new tab)
- linux.oracle.com/errata/ELSA-2025-23141.html (opens in a new tab)
- linux.oracle.com/errata/ELSA-2025-23063.html (opens in a new tab)
- ubuntu.com/security/notices/USN-8137-1 (opens in a new tab)
- ibm.com/support/pages/node/7273312 (opens in a new tab)
- linux.oracle.com/errata/ELSA-2026-18030.html (opens in a new tab)
- lists.suse.com/pipermail/sle-security-updates/2026-July/027599.html (opens in a new tab)
- lists.debian.org/debian-lts-announce/2026/08/msg00006.html (opens in a new tab)
- lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/H5GSEWRBRK6T2WY5GOLRFYLYEV6CKJXW/ (opens in a new tab)
- linux.oracle.com/errata/ELSA-2026-72484.html (opens in a new tab)
- linux.oracle.com/errata/ELSA-2026-72485.html (opens in a new tab)
- linux.oracle.com/errata/ELSA-2026-72285.html (opens in a new tab)
- fluentd.org/blog/fluent-package-v6.1.0-has-been-released (opens in a new tab)
- lists.debian.org/debian-security-announce/2026/msg00533.html (opens in a new tab)