[UPDATE] [medium] Ruby: Vulnerability Allows Information Disclosure

mediumCVE-2025-61594

A remote attacker can exploit a vulnerability in Ruby to disclose information.

CSIRTS triage

vendor: Ruby product: Ruby Information disclosure

What: A remote attacker can exploit a vulnerability in Ruby to disclose information.
Who is affected: Deployments of Ruby are affected.
Urgency: Remediation is medium urgency as exploitation is not currently active but the severity is medium.
Action: Update to the latest version of Ruby to mitigate the vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: medium
Published: 2026-07-20
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-2215

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2025-615940.52% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 41% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2025-61594	coverage & exploitation status	NVD · CVE.org

Recent advisories for Ruby

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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