CVE-2026-46595
CVE-2026-46595 is a critical-severity vulnerability in Golang Crypto with a CVSS 3.x base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.
Key facts
- Severity: Critical (CVSS 3.x base score 10.0)
- EPSS exploit prediction: 0% (35th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-31398
- Weakness: CWE-863
- Affected product: Golang Crypto
- Published:
- Last modified:
Description
Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of callback is passed other than public key, then the source-address validation would be skipped.
Frequently asked questions
- What is CVE-2026-46595?
- Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of callback is passed other than public key, then the source-address validation would be skipped.
- How severe is CVE-2026-46595?
- CVE-2026-46595 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
- Is CVE-2026-46595 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-46595?
- CVE-2026-46595 affects Golang Crypto. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-46595?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2026-46595 have an EU (EUVD) identifier?
- Yes. CVE-2026-46595 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31398.
- When was CVE-2026-46595 published?
- CVE-2026-46595 was published on 2026-05-22 and last updated on 2026-07-06.
References
- https://go.dev/cl/781642
- https://go.dev/issue/79570
- https://groups.google.com/g/golang-announce/c/a082jnz-LvI
- https://pkg.go.dev/vuln/GO-2026-5023
- https://access.redhat.com/errata/RHSA-2026:23262
- https://access.redhat.com/errata/RHSA-2026:23264
- https://access.redhat.com/errata/RHSA-2026:26546
- https://access.redhat.com/errata/RHSA-2026:26547
- https://access.redhat.com/errata/RHSA-2026:30650
- https://access.redhat.com/errata/RHSA-2026:30651
- https://access.redhat.com/errata/RHSA-2026:33524
- https://access.redhat.com/errata/RHSA-2026:33531
- https://access.redhat.com/security/cve/CVE-2026-46595
- https://bugzilla.redhat.com/show_bug.cgi?id=2480689
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46595.json
Affected products (1)
- cpe:2.3:a:golang:crypto:*:*:*:*:*:go:*:*
More vulnerabilities in Golang Crypto
- CVE-2026-42508 — Critical (CVSS 9.1): Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key'…
- CVE-2026-39834 — Critical (CVSS 9.1): When writing data larger than 4GB in a single Write call on an SSH channel, an integer overflow in the internal payload…
- CVE-2026-39833 — Critical (CVSS 9.1): The in-memory keyring returned by NewKeyring() silently accepted keys with the ConfirmBeforeUse constraint but never…
- CVE-2026-39832 — Critical (CVSS 9.1): When adding a key to a remote agent constraint extensions such as [email protected] were not…
- CVE-2026-39831 — Critical (CVSS 9.1): The Verify() method for FIDO/U2F security key types ([email protected], [email protected])…
- CVE-2026-39830 — Critical (CVSS 9.1): A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the…
All CVEs affecting Golang Crypto →
Other CWE-863 (Incorrect Authorization) vulnerabilities
- CVE-2026-48286 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9396 and earlier are affected by an Incorrect Authorization…
- CVE-2026-48303 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9394 and earlier are affected by an Incorrect Authorization…
- CVE-2026-44330 — Critical (CVSS 10.0): free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the…
- CVE-2026-33105 — Critical (CVSS 10.0): Improper authorization in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over…
- CVE-2026-32213 — Critical (CVSS 10.0): Improper authorization in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.
- CVE-2025-54253 — Critical (CVSS 10.0): Adobe Experience Manager versions 6.5.23 and earlier are affected by a Misconfiguration vulnerability that could result…
Browse all CWE-863 (Incorrect Authorization) vulnerabilities →