CVE-2026-28299: CWE-770 Allocation of Resources Without Limits or Throttling in SolarWinds Web Help Desk
During a targeted intrusion investigation in June 2026, investigators uncovered GoCaracal, a previously undocumented modular framework written in Go. This sophisticated toolkit exists in two operational profiles: a lightweight implant for establishing access and delivering payloads, and an extended build for sustained intelligence collection with capabilities including keylogging, browser credential theft, WebRTC remote desktop, and SOCKS5 proxying. Analysis of 249 samples traced the framework's evolution from January to July 2026, revealing active development and maturation. A notable innovation includes an Ethereum smart-contract fallback mechanism enabling operators to update C2 infrastructure without redeploying malware. The activity targeted a Venezuelan communications organization using Spanish-language financial lures, weaponized SVG files, and delivery methods consistent with established tradecraft. GoCaracal was deployed alongside an updated Bandook variant, suggesting the new framework currently ...
AI Analysis
Technical Summary
CVE-2026-28299 is a resource exhaustion vulnerability in SolarWinds Web Help Desk where allocation of resources occurs without limits or throttling. Exploitation can lead to denial-of-service by causing the server to crash due to insufficient memory. The vulnerability affects version 2026.1 and all earlier versions. No known exploits are reported in the wild, and no vendor-provided patch or mitigation details have been published at this time.
Potential Impact
Successful exploitation results in denial-of-service by crashing the Web Help Desk server through memory exhaustion. This disrupts availability but does not impact confidentiality or integrity according to the CVSS vector.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor vendor communications for updates. No vendor-provided temporary mitigations or workarounds are currently documented.
Indicators of Compromise
- ip: 45.152.198.108
- ip: 176.124.220.153
- ip: 82.117.87.192
- ip: 82.117.87.138
- domain: contabilidad.icu
- domain: documentodigital.cloud
- domain: getpdfdigital.cloud
- domain: soportedigital.cloud
- ip: 185.96.80.54
- cve: CVE-2026-28299
- cve: CVE-2026-50656
- cve: CVE-2026-28323
- cve: CVE-2026-18577
- cve: CVE-2026-18556
- hash: 27cc65cb6261ef0d584287cf09bdafcc
- hash: 40d99e70de5918c6cad144dfc1ad4acd806aca3b
- hash: 0a6da70548f14834acb8960689a589b48ff422f8385ae445a281aab77045fe22
- hash: 1e499c815146124c4a6d2b48c99068b980ad74e1a2cfd16013f8d75a9425a0ca
- hash: 77f7ad29f4a8037ee5f38d3d87fb91cfd97cb8f7fa7883edf3fce506df5200c0
- hash: 8c03d072df2e1bf14b0c00a8ab99834138c8b69f301849bf09cb44394e916015
- hash: a2cdf2fe741de4b13ad2298b387a6c32da4a94da180ae75bf8547386aee7376b
- hash: c9da1b08a39491dfdbede6ff4c1a2d383f57cb29e2d3532aee08d6e0a5c1dda6
- ip: 109.120.187.217
- ip: 109.172.95.121
- ip: 138.124.112.213
- ip: 138.124.14.130
- ip: 185.125.101.181
- ip: 185.96.80.110
- ip: 193.233.245.45
- ip: 193.233.245.52
- ip: 46.226.162.68
- ip: 62.60.237.22
- ip: 77.110.104.98
- ip: 77.110.105.244
- ip: 77.110.105.56
- ip: 77.110.105.59
- ip: 77.110.98.66
- ip: 79.137.192.38
- ip: 80.71.224.30
- ip: 85.192.30.211
- hash: 9f2be216c5df190806e621e970c9f3e106048441
- domain: gestionadocs.me
- domain: getpdf.digital
- domain: visualizarpdf.online
CVE-2026-28299: CWE-770 Allocation of Resources Without Limits or Throttling in SolarWinds Web Help Desk
Description
During a targeted intrusion investigation in June 2026, investigators uncovered GoCaracal, a previously undocumented modular framework written in Go. This sophisticated toolkit exists in two operational profiles: a lightweight implant for establishing access and delivering payloads, and an extended build for sustained intelligence collection with capabilities including keylogging, browser credential theft, WebRTC remote desktop, and SOCKS5 proxying. Analysis of 249 samples traced the framework's evolution from January to July 2026, revealing active development and maturation. A notable innovation includes an Ethereum smart-contract fallback mechanism enabling operators to update C2 infrastructure without redeploying malware. The activity targeted a Venezuelan communications organization using Spanish-language financial lures, weaponized SVG files, and delivery methods consistent with established tradecraft. GoCaracal was deployed alongside an updated Bandook variant, suggesting the new framework currently ...
CVSS v3.1
Score 8.2high
Affected software
SolarWinds
Web Help Desk
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-28299 is a resource exhaustion vulnerability in SolarWinds Web Help Desk where allocation of resources occurs without limits or throttling. Exploitation can lead to denial-of-service by causing the server to crash due to insufficient memory. The vulnerability affects version 2026.1 and all earlier versions. No known exploits are reported in the wild, and no vendor-provided patch or mitigation details have been published at this time.
Potential Impact
Successful exploitation results in denial-of-service by crashing the Web Help Desk server through memory exhaustion. This disrupts availability but does not impact confidentiality or integrity according to the CVSS vector.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor vendor communications for updates. No vendor-provided temporary mitigations or workarounds are currently documented.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- SolarWinds
- Date Reserved
- 2026-02-26T14:15:09.403Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Indicators of Compromise
Ip
| Value | Description | Copy |
|---|---|---|
ip45.152.198.108 | — | |
ip176.124.220.153 | — | |
ip82.117.87.192 | — | |
ip82.117.87.138 | — | |
ip185.96.80.54 | — | |
ip109.120.187.217 | — | |
ip109.172.95.121 | — | |
ip138.124.112.213 | — | |
ip138.124.14.130 | — | |
ip185.125.101.181 | — | |
ip185.96.80.110 | — | |
ip193.233.245.45 | — | |
ip193.233.245.52 | — | |
ip46.226.162.68 | — | |
ip62.60.237.22 | — | |
ip77.110.104.98 | — | |
ip77.110.105.244 | — | |
ip77.110.105.56 | — | |
ip77.110.105.59 | — | |
ip77.110.98.66 | — | |
ip79.137.192.38 | — | |
ip80.71.224.30 | — | |
ip85.192.30.211 | — |
Domain
| Value | Description | Copy |
|---|---|---|
domaincontabilidad.icu | — | |
domaindocumentodigital.cloud | — | |
domaingetpdfdigital.cloud | — | |
domainsoportedigital.cloud | — | |
domaingestionadocs.me | — | |
domaingetpdf.digital | — | |
domainvisualizarpdf.online | — |
Cve
| Value | Description | Copy |
|---|---|---|
cveCVE-2026-28299 | — | |
cveCVE-2026-50656 | — | |
cveCVE-2026-28323 | — | |
cveCVE-2026-18577 | — | |
cveCVE-2026-18556 | — |
Hash
| Value | Description | Copy |
|---|---|---|
hash27cc65cb6261ef0d584287cf09bdafcc | — | |
hash40d99e70de5918c6cad144dfc1ad4acd806aca3b | — | |
hash0a6da70548f14834acb8960689a589b48ff422f8385ae445a281aab77045fe22 | — | |
hash1e499c815146124c4a6d2b48c99068b980ad74e1a2cfd16013f8d75a9425a0ca | — | |
hash77f7ad29f4a8037ee5f38d3d87fb91cfd97cb8f7fa7883edf3fce506df5200c0 | — | |
hash8c03d072df2e1bf14b0c00a8ab99834138c8b69f301849bf09cb44394e916015 | — | |
hasha2cdf2fe741de4b13ad2298b387a6c32da4a94da180ae75bf8547386aee7376b | — | |
hashc9da1b08a39491dfdbede6ff4c1a2d383f57cb29e2d3532aee08d6e0a5c1dda6 | — | |
hash9f2be216c5df190806e621e970c9f3e106048441 | — |
Threat ID: 6a1f348ce29bf47b50fa1f35
Added to database: 06/02/2026, 19:52:44 UTC
Last enriched: 06/10/2026, 14:05:49 UTC
Last updated: 09/14/2026, 22:01:33 UTC
Views: 97
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