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CVE-2026-34917
Overview
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.

Details
INFO

Published Date :

June 23, 2026, 4:14 p.m.

Last Modified :

June 23, 2026, 4:14 p.m.

Remotely Exploit :

No

Source :

hackerone
Impact
Affected Products

The following products are affected by CVE-2026-34917 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Revive adserver
: Total Affected Vendor : 1 | Products : 1
Solution
Restrict session ID usage to their intended context to prevent unauthorized access.
  • Record session context along with session data.
  • Prevent session IDs from being used interchangeably.
  • Update authentication mechanisms.
  • Implement proper session management.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-34917 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CVSS
Vulnerability Scoring Details
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