CVE-2026-121564

Incomplete Comparison with Missing Factors CWE-1023 in mergechats whatstk/utils/chatmerge.py, reached from BaseChat.merge, in whatstk from 0.3.0 before 0.9.0 allows a party that supplies the chat exports to cause messages to be absent from the merged output with no indication that anything was...

CVE-2026-121564

The whatstk library (versions 0.3.0 before 0.9.0 ) is vulnerable to a silent loss of messages during chat export merging via CWE-1023 . The issue resides in the merge_chats() function within whatstk/utils/chat_merge.py, which is reachable from BaseChat.merge(). Because the logic compares date ran...

EUVD-2026-115913

Incomplete Comparison with Missing Factors CWE-1023 in mergechats whatstk/utils/chatmerge.py, reached from BaseChat.merge, in whatstk from 0.3.0 before 0.9.0 allows a party that supplies the chat exports to cause messages to be absent from the merged output with no indication that anything was...

CVE-2026-121564 Silent loss of messages when merging overlapping chat exports in whatstk

Incomplete Comparison with Missing Factors CWE-1023 in mergechats whatstk/utils/chatmerge.py, reached from BaseChat.merge, in whatstk from 0.3.0 before 0.9.0 allows a party that supplies the chat exports to cause messages to be absent from the merged output with no indication that anything was...

CVE-2026-121564: lucasrodes whatstk: Incomplete Comparison with Missing Factors (CWE-1023) in merge_chats() (whatstk/utils/chat_merge.py), reached from…

Incomplete Comparison with Missing Factors CWE-1023 in mergechats whatstk/utils/chatmerge.py, reached from BaseChat.merge, in whatstk from 0.3.0 before 0.9.0 allows a party that supplies the chat exports to cause messages to be absent from the merged output with no indication that anything was...