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CVE-2026-7598

HIGH · 7.3 EPSS 0.0%
hype MOSTLY HYPE · 28 hack

Pure feed noise, no PoC, no KEV, no urgency indicators; automated reposting only.

What: Integer overflow in libssh2 ≤1.11.1 userauth_password function allowing remote manipulation of authentication credentials (CVSS 7.3 HIGH).

Why it matters: Published 24 hours ago; no KEV listing yet, no public PoC confirmed in chatter, no vendor advisory or patch release details evident. Posts are automated feed republications of NVD metadata with no analyst commentary, PoC links, or defender triage signals.

Where it's seen: Standard CVE feed aggregators (Vulmon, CVEnew) and security news bots cross-posting identical descriptions. No security researcher threads, no exploitation reports, no remediation guidance beyond patch mention.

RISK: ELEVATED — Integer overflow in auth function, remote attack surface, HIGH CVSS, but no active exploitation signal yet.

Generated by claude-haiku-4-5 from public posts and authoritative metadata. AI can make mistakes — verify against vendor advisories before acting. 5/2/2026, 2:24:21 AM

AttackerKB

view on attackerkb.com →

A security vulnerability has been detected in libssh2 up to 1.11.1. The impacted element is the function userauth_password of the file src/userauth.c. Such manipulation of the argument username_len/password_len leads to integer overflow. The attack may be launched remotely. The name of the patch is 256d04b60d80bf1190e96b0ad1e91b2174d744b1. A patch should be applied to remediate this issue.

Public PoCs on GitHub 4 repos

Articles & coverage 14 articles

  • CVE-2026-7598: Integer Overflow in libssh2 - Live Threat Intelligence

    Detailed information about CVE-2026-7598: Integer Overflow in libssh2 affecting null libssh2. Get real-time updates, technical details,

  • cve-2026-7598 Archives - RedPacket Security

    CVE-2026-7598 HIGHNo exploitation known A security vulnerability has been detected in libssh2 up to 1.11.1. The impacted element is the.

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    # Linux distributions worldwide targeted by the Copy Fail exploit. **An exploit for the “Copy Fail” security vulnerability (CVE-2026-31431) in the Linux kernel has been made public. Patches are available in new kernel versions; those who have not yet patched can disable the algif\_aead module as a mitigation measure. The vulnerability, registered as CVE-2026-31431 and discovered by security firm T

  • New Linux 'Copy Fail' flaw gives hackers root on major distros

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› NVD details 2 CWE ·0 vendors · 6 refs expand

Description

A security vulnerability has been detected in libssh2 up to 1.11.1. The impacted element is the function userauth_password of the file src/userauth.c. Such manipulation of the argument username_len/password_len leads to integer overflow. The attack may be launched remotely. The name of the patch is 256d04b60d80bf1190e96b0ad1e91b2174d744b1. A patch should be applied to remediate this issue.

Weaknesses

References

Other · 6

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