// #cryptography
6 articles
Golang crypto/ssh Mass Advisory: Nine CVEs Including CVSS 10.0 Re-Opened SSH Auth Bypass Affect Enterprise DevOps Infrastructure
The Go security team published a coordinated batch of nine CVE fixes for the golang.org/x/crypto SSH library on 22 May, including CVE-2026-46595 (CVSS 10.0), which re-opens a previously patched SSH authentication bypass for services using non-public-key authentication callbacks. Enterprise environments using Go-based SSH tooling, CI/CD pipelines, Kubernetes components, and cloud management tooling are affected.
Nine CVEs in One Go Cryptography Library: What Mass Advisories in Open-Source Crypto Mean for Enterprise Risk Management
The nine-CVE golang.org/x/crypto advisory is the latest in a pattern of mass security advisories from widely used open-source cryptographic libraries. For enterprise risk managers, the recurring pattern raises questions about how dependency-level cryptography risk is assessed, tracked, and communicated — and whether current SCA tooling is adequate for the velocity of advisory publication.
Proton Mail Adds Post-Quantum Encryption for New Emails to Counter Harvest-Now-Decrypt-Later Attacks
Proton Mail has added optional post-quantum encryption for new emails sent between Proton Mail accounts, protecting against harvest-now-decrypt-later (HNDL) attacks in which adversaries collect encrypted communications today with the intention of decrypting them when sufficiently powerful quantum computers become available. The feature uses the CRYSTALS-Kyber (ML-KEM) algorithm standardised by NIST in 2024. Existing encrypted emails are not retroactively re-encrypted.
OpenSSH CVE-2026-35414 — Certificate Authentication Bypass via Comma Bug Grants Root Access
A single-character defect in OpenSSH's certificate Subject Alternative Name parsing allows an attacker with a maliciously crafted certificate to bypass host-based and user certificate authentication entirely, potentially gaining unauthorised access to systems relying on certificate-based SSH for privileged access. Researchers have named the vulnerability SplitSSHell. Operators using OpenSSH certificate authentication for root or privileged user access should review their CA trust chains immediately.
CVE-2026-5194: Critical wolfSSL Flaw Enables Certificate Forgery Across 5 Billion Devices
A critical cryptographic validation flaw in wolfSSL, a lightweight TLS library embedded in billions of IoT devices, routers, industrial control systems, and automotive components, allows attackers to present forged X.509 certificates that pass signature verification without a legitimate private key. The vulnerability enables man-in-the-middle attacks and authentication bypass across an enormous installed base. wolfSSL version 5.9.1, released 8 April 2026, provides the fix.
NSA's January 2027 PQC Deadline Is Nine Months Away — Enterprise Migration Is Now Mandatory
With NIST's post-quantum cryptography standards finalised and the NSA's CNSA 2.0 deadline requiring all new National Security System acquisitions to be quantum-resistant by January 2027, the migration window for enterprise and federal contractor environments is closing fast. Most organisations have yet to inventory their cryptographic assets, let alone begin migration.
Commentary tagged #cryptography
Mass Open-Source Cryptography Advisories Are Becoming the New Normal — and the Industry Isn't Ready
The nine-CVE golang.org/x/crypto advisory follows a pattern that is accelerating: coordinated mass advisories in foundational open-source cryptographic libraries that affect thousands of downstream applications simultaneously. The industry's response tooling and processes have not kept pace with the advisory volume or the structural complexity of transitive dependency exposure.
CipherWatch Editorial
Security Intelligence Platform
Post-Quantum Cryptography: The Decision Is Not Whether to Migrate, It Is When to Start Counting
Proton Mail's post-quantum encryption launch is another data point in an accelerating migration across email, messaging, and enterprise security platforms. The industry debate has shifted from 'should we?' to 'how urgent is the harvest-now-decrypt-later threat?' For most organisations the answer is more urgent than their current roadmap reflects — because the data being generated today has a longer confidentiality requirement than the planning horizon that informs most security investment decisions.
CipherWatch Editorial
Security Intelligence Platform