JetBrains YouTrack DoS via decompression bomb (pre-2026.2.18177)
CVE-2026-75047 Published on August 17, 2026
In JetBrains YouTrack before 2026.2.18177 doS attack was possible via a decompression bomb in the import endpoint
Vulnerability Analysis
CVE-2026-75047 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Data Amplification Vulnerability?
The software does not handle or incorrectly handles a compressed input with a very high compression ratio that produces a large output. An example of data amplification is a "decompression bomb," a small ZIP file that can produce a large amount of data when it is decompressed.
CVE-2026-75047 has been classified to as a Data Amplification vulnerability or weakness.
Products Associated with CVE-2026-75047
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Affected Versions
JetBrains YouTrack:- Before 2026.2.18177 is affected.