← All notices | Source (USN-8759-1) | Text version
QSN-8759-1: WebOb vulnerabilities
September 15, 2026
Summary
Several security issues were fixed in WebOb.
Details
It was discovered that WebOb incorrectly handled certain URLs. An attacker could possibly use this issue to control a redirect or forward to another URL. This issue was only addressed in Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2024-42353)
Caleb Brown discovered that WebOb incorrectly handled certain URLs. An attacker could possibly use this issue to control a redirect or forward to another URL. (CVE-2026-44889)
Affected QuantaStor releases
| Release | Platform | Package | Exposure | Shipped version | Fixed version | Status |
|---|---|---|---|---|---|---|
| 6.9.1.001 | Ubuntu 22.04 LTS | python3-webob | Externally-facing | 1:1.8.6-1.1ubuntu0.2 | 1:1.8.6-1.1ubuntu0.2 | Fixed in this release |
| 6.9.0.464 | Ubuntu 22.04 LTS | python3-webob | Externally-facing | 1:1.8.6-1.1ubuntu0.2 | 1:1.8.6-1.1ubuntu0.2 | Fixed in this release |
| 6.8.6.015 | Ubuntu 22.04 LTS | python3-webob | Externally-facing | 1:1.8.6-1.1ubuntu0.1 | 1:1.8.6-1.1ubuntu0.2 | Fixed by QuantaStor security update |
| 6.8.5.018 | Ubuntu 22.04 LTS | python3-webob | Externally-facing | 1:1.8.6-1.1ubuntu0.1 | 1:1.8.6-1.1ubuntu0.2 | Fixed by QuantaStor security update |
| 6.8.4.038 | Ubuntu 22.04 LTS | python3-webob | Externally-facing | 1:1.8.6-1.1ubuntu0.1 | 1:1.8.6-1.1ubuntu0.2 | Fixed by QuantaStor security update |
| 6.8.3.018 | Ubuntu 22.04 LTS | python3-webob | Externally-facing | 1:1.8.6-1.1ubuntu0.1 | 1:1.8.6-1.1ubuntu0.2 | Fixed by QuantaStor security update |
| 6.8.2.002 | Ubuntu 22.04 LTS | python3-webob | Externally-facing | 1:1.8.6-1.1ubuntu0.1 | 1:1.8.6-1.1ubuntu0.2 | Fixed by QuantaStor security update |
| 6.8.1.007 | Ubuntu 22.04 LTS | python3-webob | Externally-facing | 1:1.8.6-1.1ubuntu0.1 | 1:1.8.6-1.1ubuntu0.2 | Fixed by QuantaStor security update |
| 6.8.0.205 | Ubuntu 22.04 LTS | python3-webob | Externally-facing | 1:1.8.6-1.1ubuntu0.1 | 1:1.8.6-1.1ubuntu0.2 | Fixed by QuantaStor security update |
Internally-facing: only accessible when logged into the QuantaStor console/ssh as the qadmin administrative sudo user; generally lower priority. Externally-facing: part of a service the storage platform presents on the network (or the kernel), so potentially reachable over the network.
CVEs
CVE-2026-44889, CVE-2024-42353
References
https://ubuntu.com/security/notices/USN-8759-1
https://nvd.nist.gov/vuln/detail/CVE-2026-44889
https://nvd.nist.gov/vuln/detail/CVE-2024-42353
Update
Fixes marked Fixed by QuantaStor security update are applied by upgrading QuantaStor with security patches included (Upgrade Manager). Fixed package versions:
| Platform | Package | Version |
|---|---|---|
| bionic | python-webob | 1:1.7.3-2ubuntu0.1~esm2 |
| Ubuntu 20.04 LTS | python-webob | 1:1.8.5-2ubuntu0.1+esm1 |
| Ubuntu 22.04 LTS | python-webob | 1:1.8.6-1.1ubuntu0.2 |
| Ubuntu 24.04 LTS | python-webob | 1:1.8.7-1ubuntu0.1.24.04.2 |
| resolute | python-webob | 1:1.8.9-1ubuntu0.1 |
| xenial | python-webob | 1.5.1-1ubuntu0.1~esm2 |
