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ChainPylons · webobPyPI:webob

Pylons webob: fix bypasses (2024–2026)

3 CVEs over 3 generations, 14 Aug 2024 to 20 Aug 2026.

Family tree

Left to right by publication date.Oldest first. Select a CVE to open it.
  1. CVE-2024-4235314 Aug 2024 First in the chain
  2. CVE-2026-4488922 Jun 2026 bypassed the fix for CVE-2024-42353
  3. CVE-2026-5477020 Aug 2026 next fix after CVE-2026-44889
Aug 2024Jul 2025Jul 2026 CVE-2024-42353 → CVE-2026-44889: bypassed the fix (high confidence)CVE-2026-44889 → CVE-2026-54770: Next fix in the same package (medium confidence) CVE-2024-42353 14 Aug 2024 CVE-2026-44889 22 Jun 2026 CVE-2026-54770 20 Aug 2026 Aug 2024Apr 2025OctApr 2026Jul CVE-2024-42353 → CVE-2026-44889: bypassed the fix (high confidence)CVE-2026-44889 → CVE-2026-54770: Next fix in the same package (medium confidence) CVE-2024-42353 14 Aug 2024 CVE-2026-44889 22 Jun 2026 CVE-2026-54770 20 Aug 2026
Exploited in the wild (CISA KEV) Not in KEV Priority score (0 to 100) High confidence Medium Low

CVEs in this family

Table view of the tree
CVEPublishedTitleLinked fromPriority
CVE-2024-42353 14 Aug 2024 WebOb's location header normalization during redirect leads to open redirect · fixed in 1.8.8 First in chain 13.7
CVE-2026-44889 22 Jun 2026 WebOb: Location header normalization during redirect leads to open redirect · fixed in 1.8.10 CVE-2024-42353 · bypassed the fix · High 8.1
CVE-2026-54770 20 Aug 2026 WebOb: Open redirect in Location header normalization via leading C0 control / space characters · fixed in 1.8.11 CVE-2026-44889 · Next fix in the same package · Medium 11.6
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