CVE-2026-43644podinfo 6.11.2 Reflected XSS via /echo Endpoint
Updated under an hour ago ()
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It affects stefanprodan podinfo. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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podinfo through 6.11.2 contains a reflected cross-site scripting vulnerability in the /echo and /api/echo endpoints where the echoHandler writes request body content directly to the response without setting explicit Content-Type or X-Content-Type-Options headers. Attackers can craft cross-origin HTML pages with auto-submitting forms containing script payloads in the request body, which are served as text/html due to Go's content type detection, allowing the reflected script to execute in the podinfo origin context when victims visit the attacker's page.
- CVSS
- 5.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Analyzed
- Record last updated
- Oct 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
stefanprodan podinfo stefanprodan:podinfo (from the name) | through 6.11.2 | CNA record |
stefanprodan podinfo stefanprodan:podinfo | through 6.11.12 | NVD |
References
- https://github.com/Niccolo10/Security-Advisories/blob/main/CVE-2026-43644/cve-2026-43644.mdtechnical-description, exploit
- https://github.com/stefanprodan/podinfo/issues/474issue-tracking
- https://www.vulncheck.com/advisories/podinfo-reflected-xss-via-echo-endpointthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.