AEGLIX investigation
CVE-2026-55875 research
A source-linked research view connecting vulnerability evidence, reviewed campaign mentions, retained reporting and security tool listings.
Evidence summary
Helium is a free online student planner for classes, homework, grades, and notes. Prior to 2.2.60, any authenticated user can submit an arbitrary URL to POST /feed/externalcalendars/, where helium/feed/services/icalexternalcalendarservice.py uses validate_url to check only URL syntax before passing the value to urllib.request.urlopen, and fetch_ical_conditional periodically refetches the stored URL. The server can therefore issue requests to attacker-selected external or internal hosts, while distinct responses, including an uncaught http.client.RemoteDisconnected condition for non-HTTP services, reveal internal host and port reachability. The supported impact is forced outbound requests ...
Assess exposure and vendor guidance
- No higher-priority signal is available in the current stored evidence.
CVSS: 4.3 · EPSS: 0.21% (2026-10-27)
Source retrieved 2026-10-28T10:22:44.667583+00:00. Read the full record and affected versions before making a patch decision.
Campaign content mentioning this CVE
Only published campaigns that passed the existing source-review gate are included. A textual mention does not establish exploitation or campaign membership.
No exact mention was found in the checked published campaign content.
Stored reporting mentioning this CVE
These are publisher excerpts, not independent verification of their claims.
No exact mention was found in the checked stored news excerpts.
Investigate advisory publishers
These domains come from vulnerability references. They are advisory publishers, not identified threat indicators. Links prefill Investigate; you choose whether to run a lookup.
- github.com
Find referenced tools in Arsenal
Search published listings whose documented CVE-reference field contains CVE-2026-55875. An empty result is valid. A reference does not establish safety, exploit reliability or suitability for your environment.
Search exact CVE references in Arsenal
Review the listing’s source and trust evidence. Use testing tools only on systems you are authorized to assess.
Coverage and interpretation
Exact CVE mentions in stored public excerpts and reviewed campaign content only. A mention is not proof of exploitation, attribution or tool suitability. Missing matches do not establish absence.
Checked up to 100 candidate excerpts and 100 candidate campaigns; at most 10 results per section are shown. No external search or scan ran while loading this page.