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CVE-2026-75045 is an improper authentication vulnerability in JetBrains YouTrack's shared draft signature mechanism. In affected versions, an unauthenticated network attacker could use a shared draft signature to download database backups. The issue affects releases earlier than 2025.3.156085, 2026.1.13913, and 2026.2.18112 in their respective release lines.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability affecting JetBrains YouTrack. The content identifies CWE-288, indicating an authentication-related weakness, but does not provide further technical detail.
An improper authorization vulnerability in JetBrains YouTrack that allows an unauthenticated attacker to download database backups via a shared draft signature.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.