CVE-2025-3519 describes an authorization bypass in Unblu Spark, allowing a conversation participant to replace an existing uploaded file if they obtain its UUID. This vulnerability carries a CVSS score of 7.0 (HIGH), indicating a network-based attack with high integrity impact, but requiring low privileges and a physical attack vector. While the vulnerability allows file replacement, file interception and type rules are still enforced. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Unblu Inc. | Unblu Spark | >= 8.0.0, <= 8.12.1CNA affecteddefault unknown |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.