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CVE-2026-34917

MEDIUM
4.3
CVSS 3.0
Description
Low‑privileged session IDs generated for the web admin console could be reused in the XML‑RPC API, whose authentication is normally restricted to admin users. An attacker could leverage this to gain unauthorised access and exploit API‑level vulnerabilities. The session context (web/API) is now recorded along with other session data, preventing session IDs from being used interchangeably.

Metadata

CVE ID
CVE-2026-34917
State
PUBLISHED
Assigner
hackerone
Reserved
2026-03-31 15:00 UTC
Published
2026-06-23 16:14 UTC
Last updated
2026-06-23 17:24 UTC
Primary CWE
CWE-287
CWE-287 Improper Authentication - Generic
Vendor / Product
Revive / Adserver
Sources
cve.org  ·  NVD

Severity & Metrics

4.3 MEDIUM CVSS 3.0
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
SSVC — CISA Coordinator
Exploitation
none
Automatable
no
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
Revive Adserver — 0 ≤ 6.0.6
Weakness (CWE)
CWESourceDescription
CWE-287 cna CWE-287 Improper Authentication - Generic
CVSS scores (1)
ScoreSeverityVersionSourceVector
4.3 MEDIUM 3.0 cna CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
References (1)
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