DSA-6449-1 swift - security update

unknownCVE-2026-50221 CVE-2026-71191 CVE-2026-71192

Multiple security vulnerabilities were discovered in Swift, a distributed virtual object store, which could result in information disclosure via SSRF or authorisation bypass in the s3api middleware. https://security-tracker.debian.org/tracker/DSA-6449-1

CSIRTS triage

product: Swift Information disclosure Authentication bypass Server-side request forgery

What: Swift distributed virtual object store contains SSRF vulnerability and s3api middleware authorization bypass.
Who is affected: Deployments using Swift object store, especially those using s3api middleware.
Urgency: High urgency due to authorization bypass and information disclosure via SSRF.
Action: Apply DSA-6449-1 security update to Swift.

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

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Details

Source: Debian Security Advisories (INTL · vendor-psirt · site)
Severity: unknown
Published: 2026-08-18
Exploitation: Not in CISA KEV at last sync

Original advisory: https://lists.debian.org/debian-security-announce/2026/msg00360.html

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-2026-502210.14% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-711910.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-711920.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-50221	coverage & exploitation status	NVD · CVE.org
CVE-2026-71191	coverage & exploitation status	NVD · CVE.org
CVE-2026-71192	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.