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CVE record · CVE-2026-77463

Remark42: Rate limit bypass via unconditional trust of X-Forwarded-For/X-Real-IP headers in direct-internet deployment

CVSS 6.5 MediumEPSS 0.0022 · 12th percentile

Published by the CVE Program (CNA: GitHub_M) at 5 Nov 2026, 20:54 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
umputun remark42
  • affected >= 1.0.0, < 1.16.2
Identifiers
CVE-2026-77463
CNA
GitHub_M
Weakness (CWE)
CWE-348 · CWE-807
Tags
Published
5 Nov 2026
Updated
5 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
6.5 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0022, the 12th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 5 Nov 2026, 20:54 UTC Confirmed by the CVE List
  2. 5 Nov 2026, 21:00 UTC First seen by agentprime
  3. 5 Nov 2026, 21:18 UTC Confirmed by NVD

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.