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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

ReleasePlatformPackageExposureShipped versionFixed versionStatus
6.9.1.001Ubuntu 22.04 LTSpython3-webobExternally-facing1:1.8.6-1.1ubuntu0.21:1.8.6-1.1ubuntu0.2Fixed in this release
6.9.0.464Ubuntu 22.04 LTSpython3-webobExternally-facing1:1.8.6-1.1ubuntu0.21:1.8.6-1.1ubuntu0.2Fixed in this release
6.8.6.015Ubuntu 22.04 LTSpython3-webobExternally-facing1:1.8.6-1.1ubuntu0.11:1.8.6-1.1ubuntu0.2Fixed by QuantaStor security update
6.8.5.018Ubuntu 22.04 LTSpython3-webobExternally-facing1:1.8.6-1.1ubuntu0.11:1.8.6-1.1ubuntu0.2Fixed by QuantaStor security update
6.8.4.038Ubuntu 22.04 LTSpython3-webobExternally-facing1:1.8.6-1.1ubuntu0.11:1.8.6-1.1ubuntu0.2Fixed by QuantaStor security update
6.8.3.018Ubuntu 22.04 LTSpython3-webobExternally-facing1:1.8.6-1.1ubuntu0.11:1.8.6-1.1ubuntu0.2Fixed by QuantaStor security update
6.8.2.002Ubuntu 22.04 LTSpython3-webobExternally-facing1:1.8.6-1.1ubuntu0.11:1.8.6-1.1ubuntu0.2Fixed by QuantaStor security update
6.8.1.007Ubuntu 22.04 LTSpython3-webobExternally-facing1:1.8.6-1.1ubuntu0.11:1.8.6-1.1ubuntu0.2Fixed by QuantaStor security update
6.8.0.205Ubuntu 22.04 LTSpython3-webobExternally-facing1:1.8.6-1.1ubuntu0.11:1.8.6-1.1ubuntu0.2Fixed 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:

PlatformPackageVersion
bionicpython-webob1:1.7.3-2ubuntu0.1~esm2
Ubuntu 20.04 LTSpython-webob1:1.8.5-2ubuntu0.1+esm1
Ubuntu 22.04 LTSpython-webob1:1.8.6-1.1ubuntu0.2
Ubuntu 24.04 LTSpython-webob1:1.8.7-1ubuntu0.1.24.04.2
resolutepython-webob1:1.8.9-1ubuntu0.1
xenialpython-webob1.5.1-1ubuntu0.1~esm2