In Progress® Telerik® Report Server prior to version 12.3.26.1110, an incorrect authorization vulnerability in the Web
Source GCVE Database
Not known to be exploited · CVSS 6.3 Medium : upgrade to 12.3.26.1110 when convenient.
Data as of 11 Nov 2026, 19:39 UTC
Thin evidence
One scorer or none| CNA (ProgressSoftware) | CVSS 3.1 | 6.3 |
|---|
- Patch
- Available – fixed in 12.3.26.1110
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:LExploitation evidence
Disclosed: evidence found.
CVE published 11 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 11 Nov 2026.
What to do
Upgrade Telerik Report Server to 12.3.26.1110.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Progress SoftwareTelerik Report Server | Affected
| Fixed in
|
AI-suggested
Since the vulnerability affects versions prior to 12.3.26.1110, upgrading to version 12.3.26.1110 or later is recommended once available.
Description
An incorrect authorization vulnerability exists in In Progress® Telerik® Report Server versions prior to 12.3.26.1110. This flaw in the Web Report Designer allows authenticated users with low privileges to perform unauthorized operations on shared report resources, potentially impacting their integrity and availability.