EUVD-2026-78642
GHSA-5ccr-67rq-v275
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/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
Unauthenticated network-reachable SSRF with no user interaction, so PR:N and AV:N; scope change and limited confidentiality reflect impact on internal downstream hosts.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
1DescriptionCVE.org
AVideo through 29.0 contains an unauthenticated server-side request forgery vulnerability in the check_site_availability function that accepts attacker-controlled HTTP Host headers. Attackers can send requests to submitIndex.php or ajax.php with arbitrary Host headers to probe internal network hosts and ports, following redirects without authentication.
AnalysisAI
Unauthenticated server-side request forgery in AVideo through version 29.0 lets remote attackers drive the server's own HTTP client to arbitrary destinations by supplying crafted Host headers to submitIndex.php or ajax.php. Because the check_site_availability function follows redirects without validating the host, an attacker can map internal hosts and open ports from the outside. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions - remote unauthenticated exploitation against default AVideo deployments through 29.0 (CVSS PR:N/UI:N), requiring only that the instance be network-reachable and that the attacker can reach submitIndex.php or ajax.php with a custom Host header. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The provided CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N, VC:L/SC:L, no integrity or availability impact) correctly describes a low-complexity, unauthenticated, network-reachable information-disclosure issue rather than a code-execution bug, and the 6.9 base score is consistent with that. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch version was identified in the supplied intelligence, so the primary action is to monitor the GitHub security advisory GHSA-rqg6-qcjv-55w5 and the VulnCheck advisory for the fixed release and upgrade past 29.0 as soon as it is published. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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