CVE-2026-46597

HIGHNVD 7.5

7.5

An incorrectly placed cast from bytes to int allowed for server-side panic in the AES-GCM packet decoder for well-crafted inputs.

CVSS v3: 7.5
EG Score: 0.0(none)
EPSS: 17.1%
KEV: Not listed

Published

May 22, 2026

Last Modified

May 28, 2026

References (4)

security@golanghttps://go.dev/cl/781620
security@golanghttps://go.dev/issue/79561
security@golanghttps://groups.google.com/g/golang-announce/c/a082jnz-LvI
security@golanghttps://pkg.go.dev/vuln/GO-2026-5013

Vendor Advisories for CVE-2026-46597(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

CVE-2026-46597
Microsoft Security Response Center (MSRC)High
Invoking byte arithmetic causes underflow and panic in golang.org/x/crypto/ssh

Affected Packages

(1 across 1 ecosystem)

Go(1)

Package	Vulnerable range	Fixed in	Dependents
golang.org/x/crypto	—	0.52.0	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-704Incorrect Type Conversion or Cast

Data Freshness Timeline

(refreshed 12× in last 7d / 13× 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.

2026-05-31 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
2026-05-29 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
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-22 04:45 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-46597?

CVE-2026-46597 is a high vulnerability published on May 22, 2026. An incorrectly placed cast from bytes to int allowed for server-side panic in the AES-GCM packet decoder for well-crafted inputs.

When was CVE-2026-46597 disclosed?

CVE-2026-46597 was first published in the National Vulnerability Database on May 22, 2026, with the most recent update on May 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-46597 actively exploited?

CVE-2026-46597 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 17.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-46597?

CVE-2026-46597 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 0.0.

How do I remediate CVE-2026-46597?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-46597, 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-2026-46597

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CVE-2026-46597

📅 Published

🔄 Last Modified

🔗 References (4)

📣 Vendor Advisories for CVE-2026-46597(1)