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CVE-2026-126379

HIGHCVSS 7.6/10EPSS 0.35%

Last modified

CVE-2026-126379 is a high-severity vulnerability rated 7.6/10 on the CVSS scale. Vvveb 1.0.8.6 contains an incomplete server-side request forgery fix that allows authenticated admin users to bypass DNS pinning by requesting non-443 URLs. Attackers can supply a rebinding hostname to the editor oEmbedProxy url parameter to read loopback services, internal panels, and cloud metadata credentials.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

Description

Vvveb 1.0.8.6 contains an incomplete server-side request forgery fix that allows authenticated admin users to bypass DNS pinning by requesting non-443 URLs. Attackers can supply a rebinding hostname to the editor oEmbedProxy url parameter to read loopback services, internal panels, and cloud metadata credentials.

Metrics

CVSS 3.1
7.6/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N

CVSS 4.0
8.3/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/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

EPSS Probability
0.35%

29.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-126379?
Vvveb 1.0.8.6 contains an incomplete server-side request forgery fix that allows authenticated admin users to bypass DNS pinning by requesting non-443 URLs. Attackers can supply a rebinding hostname to the editor oEmbedProxy url parameter to read loopback services, internal panels, and cloud metadata credentials.
How severe is CVE-2026-126379?
CVE-2026-126379 has a CVSS score of 7.6/10 (HIGH severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.
How do I fix CVE-2026-126379?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST