Incomplete Blacklist Affecting swift package, versions <2.35.1-0+deb13u4


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.24% (13th percentile)

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  • Snyk IDSNYK-DEBIAN13-SWIFT-20125064
  • published24 Sept 2026
  • disclosed24 Sept 2026

Introduced: 24 Sep 2026

NewCVE-2026-97149  (opens in a new tab)
CWE-184  (opens in a new tab)

How to fix?

Upgrade Debian:13 swift to version 2.35.1-0+deb13u4 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream swift package and not the swift package as distributed by Debian. See How to fix? for Debian:13 relevant fixed versions and status.

In OpenStack Swift before 2.38.2, the tempurl middleware does not reject the X-Copy-From header on PUT requests. A TempURL signature only covers the method, expiry, and path, and thus the list of disallowed headers is the only defense against a signed PUT request changing what the request does. An attacker holding a PUT TempURL for a single object can add an X-Copy-From header naming any object in the same account; the copy middleware copies that object to the destination, and the attacker then reads the victim's data back with a GET TempURL for the destination object. Copies across account boundaries are rejected. Only deployments using the shipped default proxy pipeline (tempurl and copy middleware) with account-level TempURL keys are affected.

CVSS Base Scores

version 3.1