CVE-2026-55677Published

Echo: Encoded slash (%2F) bypasses route-level protection and exposes static files

cve-program · CVE-2026-55677

Published

echo

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "labstack",
                    "product": "echo",
                    "versions": [
                        {
                            "version": "< 4.15.3",
                            "status": "affected"
                        },
                        {
                            "version": ">= 5.0.0, < 5.2.0",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2026-39800

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Jun 26, 2026, 4:15:55 PM

dateUpdated: Jun 26, 2026, 4:50:57 PM

14 related source bulletins · separate from aliases

RHSA-2026:90493: Red Hat Security Advisory: osbuild-composer security update

CVE-2026-25681 · CVE-2026-27136 · CVE-2026-33186 · CVE-2026-42502 · CVE-2026-55677 · CVE-2026-111943

RHSA-2026:57541: Red Hat Security Advisory: osbuild-composer security update

CVE-2026-39821 · CVE-2026-55677

RHSA-2026:91958: Red Hat Security Advisory: osbuild-composer security update

CVE-2026-41178 · CVE-2026-42504 · CVE-2026-55677 · CVE-2026-78667 · CVE-2026-78669 · CVE-2026-84445 · CVE-2026-94440 · CVE-2026-97031 · CVE-2026-111943

RHSA-2026:61314: Red Hat Security Advisory: Cluster Observability Operator 1.5.2

CVE-2026-13676 · CVE-2026-27145 · CVE-2026-29181 · CVE-2026-32281 · CVE-2026-32285 · CVE-2026-35469 · CVE-2026-39829 · CVE-2026-39830 · CVE-2026-39831 · CVE-2026-39832 · CVE-2026-41178 · CVE-2026-42508 · CVE-2026-44740 · CVE-2026-46595 · CVE-2026-46597 · CVE-2026-46600 · CVE-2026-55677 · CVE-2026-56852 · CVE-2026-73643

RHSA-2026:90363: Red Hat Security Advisory: osbuild-composer security update

CVE-2026-25681 · CVE-2026-27136 · CVE-2026-33186 · CVE-2026-42502 · CVE-2026-55677 · CVE-2026-111943

RHSA-2026:61585: Red Hat Security Advisory: osbuild-composer security update

CVE-2026-25681 · CVE-2026-27136 · CVE-2026-42502 · CVE-2026-55677

RHSA-2026:53530: Red Hat Security Advisory: Multicluster Global Hub 1.7.2 security update

CVE-2026-27145 · CVE-2026-33376 · CVE-2026-33377 · CVE-2026-33811 · CVE-2026-39821 · CVE-2026-42151 · CVE-2026-42154 · CVE-2026-42306 · CVE-2026-43870 · CVE-2026-46384 · CVE-2026-46385 · CVE-2026-53488 · CVE-2026-53492 · CVE-2026-55677 · CVE-2026-55969 · CVE-2026-66801

RHSA-2026:66432: Red Hat Security Advisory: osbuild-composer security update

CVE-2026-25681 · CVE-2026-27136 · CVE-2026-39821 · CVE-2026-41178 · CVE-2026-42502 · CVE-2026-55677

RHSA-2026:44622: Red Hat Security Advisory: Multicluster Global Hub 1.6.4 security update

CVE-2026-25681 · CVE-2026-27136 · CVE-2026-27145 · CVE-2026-33376 · CVE-2026-33377 · CVE-2026-33811 · CVE-2026-39821 · CVE-2026-41567 · CVE-2026-42151 · CVE-2026-42154 · CVE-2026-43870 · CVE-2026-46384 · CVE-2026-46385 · CVE-2026-53488 · CVE-2026-53492 · CVE-2026-55677

RHSA-2026:69293: Red Hat Security Advisory: osbuild-composer security update

CVE-2026-25681 · CVE-2026-27136 · CVE-2026-41178 · CVE-2026-42502 · CVE-2026-55677

RHSA-2026:47149: Red Hat Security Advisory: Multicluster Global Hub 1.7.2 security update

CVE-2026-27145 · CVE-2026-33376 · CVE-2026-33377 · CVE-2026-33811 · CVE-2026-39821 · CVE-2026-42151 · CVE-2026-42154 · CVE-2026-43870 · CVE-2026-46384 · CVE-2026-46385 · CVE-2026-53488 · CVE-2026-53492 · CVE-2026-55677

RHSA-2026:67148: Red Hat Security Advisory: osbuild-composer security update

CVE-2025-22866 · CVE-2026-32281 · CVE-2026-41178 · CVE-2026-42499 · CVE-2026-42504 · CVE-2026-55677

RHSA-2026:63134: Red Hat Security Advisory: osbuild-composer security update

CVE-2026-25681 · CVE-2026-27136 · CVE-2026-39821 · CVE-2026-42502 · CVE-2026-55677

RHSA-2026:52946: Red Hat Security Advisory: Multicluster Global Hub 1.8.1 security update

CVE-2026-27145 · CVE-2026-33376 · CVE-2026-33377 · CVE-2026-53492 · CVE-2026-55677 · CVE-2026-55969 · CVE-2026-66801

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2026-55677

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Deferred

Weakness classifications: CWE-22

Original publisher date fields

published: 2026-06-26T17:16:34.203

lastModified: 2026-10-25T17:10:00.197

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-vfp3-v2gw-7wfq

Published

github.com/labstack/echo/v5

SEMVER · introduced 0 → fixed 5.2.0

github.com/labstack/echo/v4

SEMVER · introduced 0 → fixed 4.15.3

github.com/labstack/echo

SEMVER · introduced 0 → last_affected 3.3.10

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GO-2026-6293

Published

github.com/labstack/echo/v4

SEMVER · introduced 0 → fixed 4.15.3

github.com/labstack/echo/v5

SEMVER · introduced 0 → fixed 5.2.0

Original source record · Cite this exact observation · Complete original publisher JSON