CVE-2026-28298 | SolarWinds Observability Self-Hosted 2025.2/2025.2.1 cross site scripting

VDB-353638 · CVE-2026-28298 · EUVD-2026-16185 SOLARWINDS OBSERVABILITY SELF-HOSTED 2025.2/2025.2.1 CROSS SITE SCRIPTING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 3.9 $0-$5k 3.88+ Summaryinfo A vulnerability described as problematic has been identified in SolarWinds Observability Self-Hosted. Affected is an unknown function. Executing a manipulation can lead to cross site scripting. This vulnerability appears as CVE-2026-28298. The attacker needs to be present on the local network. There is no available exploit. Upgrading the affected component is recommended. Detailsinfo A vulnerability classified as problematic was found in SolarWinds Observability Self-Hosted. This vulnerability affects an unknown code block. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes: SolarWinds Observability Self-Hosted was found to be affected by a stored cross-site scripting vulnerability, which when exploited, can lead to unintended script execution. The weakness was presented by James Donlon-Armadin. The advisory is available at solarwinds.com. This vulnerability was named CVE-2026-28298 since 02/26/2026. The exploitation appears to be easy. Access to the local network is required for this attack. Additional levels of successful authentication are necessary for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project. Upgrading to version 2026.1.1 eliminates this vulnerability. The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-16185). Productinfo Vendor SolarWinds Name Observability Self-Hosted Version 2025.2 2025.2.1 License commercial Website Vendor: https://www.solarwinds.com/ CPE 2.3info 🔒 🔒 CPE 2.2info 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 4.0 VulDB Meta Temp Score: 3.9 VulDB Base Score: 2.1 VulDB Temp Score: 2.0 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 5.9 CNA Vector (SolarWinds): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Cross site scripting CWE: CWE-79 / CWE-94 / CWE-74 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Partially Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: Observability Self-Hosted 2026.1.1 Timelineinfo 02/26/2026 CVE reserved 03/26/2026 +28 days Advisory disclosed 03/26/2026 +0 days VulDB entry created 03/26/2026 +0 days VulDB entry last update Sourcesinfo Vendor: solarwinds.com Advisory: solarwinds.com Researcher: James Donlon-Armadin Status: Confirmed CVE: CVE-2026-28298 (🔒) GCVE (CVE): GCVE-0-2026-28298 GCVE (VulDB): GCVE-100-353638 EUVD: 🔒 Entryinfo Created: 03/26/2026 15:33 Updated: 03/26/2026 16:35 Changes: 03/26/2026 15:33 (64), 03/26/2026 16:35 (1) Complete: 🔍 Cache ID: 99:2A9:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸