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Back to active CVEs
Medium · CVSS 4.3CVE-2026-28295

Gvfs: gvfs ftp backend: information disclosure via untrusted pasv responsesCVE-2026-28295

Answer in brief

CVE-2026-28295 records a Medium severity (CVSS 4.3) vulnerability in Gvfs: gvfs ftp backend: information disclosure via untrusted pasv responses. The current sources do not mark it as known exploited. The current feed maps Red Hat/gvfs (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Feb 26, 2026Updated Nov 6, 2026Source checked Nov 6, 2026First seen by HOL Nov 6, 2026Material review Nov 6, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 4.3
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 4.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Red Hat/gvfs (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Red Hat/gvfsgeneric*Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Red Hat/gvfs.
  2. 2Review the reported fix. Source-reported workaround: To mitigate this issue, users should avoid connecting to untrusted or unknown FTP servers when using applications that rely on the GVfs FTP backend. This vulnerability requires the client to interact with a malicious FTP server for exploitation.

Evidence timeline and material changes

  1. Published upstream

    Feb 26, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 6, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 6, 2026

Sources and claim methodology

  • Source referenceaccess.redhat.com
  • Source referencebugzilla.redhat.com
Upstream source description

A flaw was found in the FTP GVfs backend. A malicious FTP server can exploit this vulnerability by providing an arbitrary IP address and port in its passive mode (PASV) response. The client unconditionally trusts this information and attempts to connect to the specified endpoint, allowing the malicious server to probe for open ports accessible from the client's network.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • 2FAuth: Authenticated SSRF via DNS rebinding in the otpauth image= icon fetch (validate-then-fetch TOCTOU)Also CWE-918
  • 2FAuth: SSRF guard misses IPv6 NAT64 prefixes, allowing image fetch to reach internal/metadata targetsAlso CWE-918
  • Wanderer: SSRF Vulnerability in /api/v1/trail/download - Unvalidated URL Leads to Internal Network AccessAlso CWE-918

Record context

Vulnerability class
SSRF
EPSS
Not reported
CWE IDs
CWE-918
Source
CVE List V5
Source checked
Nov 6, 2026
References
2 linked sources
Open source record