CVEFinder.io

CVE-2026-46728

⚠️ high
Summary

Das U-Boot before 2026.04 allows FIT (Flat Image Tree) signature verification bypass because hashed-nodes is omitted from a hash.

CVSS Score
8.2
High
EPSS Score
0.2
Exploit Probability
Published Date
2026-05-16
First Seen: 2026-05-17
📊 Relative Risk Intelligence

This CVE is High Risk - more severe than 79.1% of all 365,890 vulnerabilities in our database.

#76,347
Top 25% most severe
Severity Percentile
🎯 CISA SSVC Assessment Updated: May 18, 2026
🔍 Exploitation Status
None
No known exploits
⚙️ Automatable
NO
Requires human interaction
💥 Technical Impact
Total
Complete system compromise possible
SSVC data provided by CISA
Last Modified 2026-09-11
Source NVD 🔗
CVSS Vector 3.1 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CWE IDs (Weakness Types)
CWE-346

📦 Affected Products 5

Vendor Product Status Affected Versions
denx u-boot Affected
> 2013.07 < 2025.10
denx u-boot Affected
> 2013.07 < 2026.04
denx u-boot Affected
v2026.04
pengutronix barebox Affected
> 2016.03.0 < 2025.09.3
pengutronix barebox Affected
> 2025.10.0 < 2026.03.1

🔗 References 2

https://github.com/barebox/barebox/security/advisori...
Exploit Patch Vendor Advisory
https://github.com/u-boot/u-boot/commit/2092322b31cc...
Patch

🔗 Related CVEs 6

CVE ID Severity CVSS EPSS Summary Published
CVE-2026-29007 🔶 medium 5.3 0.6 U-Boot through 2026.04-rc3 contains an out-of-bounds read vulnerability in tcp_rx_state_machine() (net/tcp.c) when CONFI... 2026-07-08
CVE-2026-29008 ⚠️ high 7.5 0.6 U-Boot through 2026.04-rc3 contains an integer underflow vulnerability in the tcp_rx_state_machine() function (net/tcp.c... 2026-07-08
CVE-2026-29009 ⚠️ high 8.2 0.6 U-Boot before 2026.07-rc2 contains a buffer overflow vulnerability in nfs_readlink_reply() (net/nfs-common.c) when CONFI... 2026-07-08
CVE-2026-34960 🔶 medium 6.5 0.3 barebox prior to version 2026.04.0 contains an out-of-bounds read vulnerability in DHCP option parsing within the dhcp_m... 2026-05-11
CVE-2026-34961 🔶 medium 6.2 0.2 barebox prior to version 2026.04.0 contains out-of-bounds read vulnerabilities in ext4 extent parsing due to missing val... 2026-05-11
CVE-2026-34962 🔶 medium 6.2 0.1 barebox version prior to 2026.04.0 contains a denial-of-service vulnerability in ext4 directory parsing in fs/ext4/ext4_... 2026-05-11
These CVEs affect the same products