CVE-2026-2623 is a path traversal vulnerability affecting Blossom up to version 1.17.1, specifically within the file upload functionality of the blossom-backend component. This flaw allows an authenticated attacker to manipulate file paths, potentially leading to unauthorized file access, modification, or deletion. With a CVSS score of 8.8 (HIGH), the vulnerability is easily exploitable remotely with low attack complexity and no user interaction, resulting in high impacts to confidentiality, integrity, and availability. While an exploit has been published, there is no evidence of active exploitation, and the vulnerability has received minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.17.1CPE matchmatch criteria | cpe:2.3:a:wangyunf:blossom:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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, 0.0 Reddit, 0.3 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.