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CVE-2026-115775

8.7 high Published
NVD · CVE.org

Twisted is an event-based framework for internet applications, supporting Python 3.6+. Prior to 26.10.0rc1, the twisted.words.xish.domish ExpatElementStream parser allows an unauthenticated remote peer to keep a container element open while continuously adding child elements. The parser retains the unfinished stanza as an in-memory tree without a byte or element-count limit, and XMPP pre-authentication stream parsing exposes this behavior before credentials are accepted. A single connection can therefore exhaust server memory and terminate the process. This issue is fixed in version 26.10.0rc1.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 4

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-29 18:14
  2. StatusPublished → Awaiting AnalysisNVD modified 2026-10-26 14:05
  3. StatusReceived → PublishedNVD modified 2026-10-23 20:16
  4. First seenCVSS 8.7NVD modified 2026-10-23 21:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 4