AEGLIX investigation
CVE-2026-42874 research
A source-linked research view connecting vulnerability evidence, reviewed campaign mentions, retained reporting and security tool listings.
Evidence summary
Microdot is a minimalistic Python web framework. Prior to 2.6.1, the Response.set_cookie() method does not sanitize its string arguments, and in particular will not detect the presence of the \r\n sequence in them. This can be a potential source of header injection attacks. For a header injection attack through this issue to be possible, an attacker must first infiltrate the client (for example through an independent XSS attack), so that it can send malicious information that is destined to be stored in a cookie by the server on behalf of the victim. An attacker that infiltrates one client can only orchestrate a header injection attack for that client, all other clients that were not infi...
Assess exposure and vendor guidance
- No higher-priority signal is available in the current stored evidence.
CVSS: 3.7 · EPSS: 0.21% (2026-10-27)
Source retrieved 2026-10-28T10:24:33.975657+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
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- github.com
Find referenced tools in Arsenal
Search published listings whose documented CVE-reference field contains CVE-2026-42874. 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.