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openSUSE python-Flask-HTTPAuth Moderate DoS Threat CVE-2026

Linuxsecurity •LinuxSecurity Advisories • April 12, 2026

This update for python-Flask-HTTPAuth fixes the following issues: - CVE-2026-34531: Do not accept empty tokens (boo#1261355)

Patch Instructions: To install this openSUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - openSUSE Backports SLE-15-SP6: zypper in -t patch openSUSE-2026-121=1

To install this openSUSE Security Update use the SUSE recommended installation methods

like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Backports SLE-15-SP6:

zypper in -t patch openSUSE-2026-121=1

- openSUSE Backports SLE-15-SP6 (noarch): python311-Flask-HTTPAuth-4.8.0-bp156.2.3.1

- openSUSE Backports SLE-15-SP6 (noarch):

python311-Flask-HTTPAuth-4.8.0-bp156.2.3.1

The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

openSUSE Addresses Moderate DoS Vulnerability in python-Flask-HTTPAuth openSUSE has released security updates for the python-Flask-HTTPAuth package to address CVE-2026-34531, which involves a denial-of-service (DoS) vulnerability due to the acceptance of empty tokens. This vulnerability affects users of openSUSE Backports for SLE-15-SP6 and SLE-15-SP7. The vulnerability was published on April 1, 2026, and could potentially allow attackers to exploit the flaw if not patched. Users are advised to apply the updates using recommended installation methods such as YaST online_update or 'zypper patch'. The updates include specific patch commands for both SLE-15-SP6 and SLE-15-SP7. The scope of impact is moderate, primarily affecting the stability of applications relying on this authentication method. Current status indicates that patches are available and users should implement them promptly to mitigate risks. 2 sources 46

Extracted Entities

Attack Types (1)

Denial of Service

CVEs (1)

CVE-2026-34531