CVE-2025-4673

MEDIUMNVD 6.86.8—

6.8

Proxy-Authorization and Proxy-Authenticate headers persisted on cross-origin redirects potentially leaking sensitive information.

CVSS v3: 6.8
EG Score: 6.8(medium)
EPSS: 22.5%
KEV: Not listed

Published

June 11, 2025

Last Modified

April 15, 2026

References (4)

security@golanghttps://go.dev/cl/679257
security@golanghttps://go.dev/issue/73816
security@golanghttps://groups.google.com/g/golang-announce/c/ufZ8WpEsA3A
security@golanghttps://pkg.go.dev/vuln/GO-2025-3751

Patch Availability(9)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	golang-1.22-src (1.22.8-1ubuntu0.1) @ oracular	2026-05-21	ubuntu
redhat	opentelemetry-collector-0:0.127.0-3.el10_0	2025-09-23	redhat
redhat	opentelemetry-collector-0:0.127.0-2.el9_6	2025-09-16	redhat
redhat	opentelemetry-collector-0:0.127.0-2.el9_4	2025-09-08	redhat
redhat	rhosdt/tempo-rhel8-operator:rhosdt-3.6-1752070866	2025-07-10	redhat
redhat	golang-0:1.24.4-1.el10_0	2025-07-09	redhat
redhat	go-toolset:rhel8-8100020250705224704.a3795dee	2025-07-09	redhat
redhat	golang-0:1.24.4-1.el9_6	2025-07-09	redhat
redhat	rhosdt/opentelemetry-target-allocator-rhel8:rhosdt-3.6-1752046439	2025-07-09	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

Go(1)

Package	Vulnerable range	Fixed in	Dependents
stdlib	—	1.24.4	—

All Vendor Advisories

(10)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-03 04:40 UTCOSV refresh
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 13:43 UTCepss_batch

Frequently asked(5)

What is CVE-2025-4673?

CVE-2025-4673 is a medium vulnerability published on June 11, 2025. Proxy-Authorization and Proxy-Authenticate headers persisted on cross-origin redirects potentially leaking sensitive information.

When was CVE-2025-4673 disclosed?

CVE-2025-4673 was first published in the National Vulnerability Database on June 11, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-4673 actively exploited?

CVE-2025-4673 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 22.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-4673?

CVE-2025-4673 has a CVSS v3 base score of 6.8 (NVD).

How do I remediate CVE-2025-4673?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-4673, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-4673

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