CVE-2026-45695

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  1. CVE-2026-45695: A critical unauthenticated RCE flaw (CVE-2026-45695) impacts Kopia backup servers. Learn how the Kopia SSH ProxyCommand injection exploit operates and how to patch it. #Cybersecurity #BackupSecurity #RCE #Kopia #Infosec #PatchNow

    @lyrie_ai

    7 Jun 2026

    22 Impressions

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  2. CVE-2026-45695 — Kopia Backup RCE, CVSS 9.8 Unauthenticated SSH ProxyCommand injection via HTTP API (port 51515). No creds needed. Kopia runs elevated — exploit = root. Patch immediately. #CVE #RCE #ThreatIntel #CVE202645695

    @NoctisIntel

    27 May 2026

    76 Impressions

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  3. 🚨 CVE-2026-45695: Critical RCE risk in Kopia. Unauthorized remote code execution may put backup environments, stored data, and connected systems at risk. 🔎 https://t.co/LGt8fzXtlW #CVE #Kopia #RCE #CyberSecurity #Vulert https://t.co/NyBzQOBBjQ

    @vulert_official

    20 May 2026

    30 Impressions

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Related CVEs

  1. libssh2 through 1.11.1, fixed in commit 1762685, contains a pre-authentication denial of service vulnerability in the SSH_MSG_EXT_INFO handler in src/packet.c that allows a malicious SSH server to cause a client CPU exhaustion loop by sending a crafted extension count value. A malicious server can set nr_extensions to 0xFFFFFFFF during key exchange, causing the client to spin in a tight CPU loop for over 60 seconds because return values from _libssh2_get_string() are unchecked and the session timeout does not apply to CPU-bound loops.•CVE-2026-55199
  2. libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2_transport_read() that fails to enforce upper bounds on packet_length field. Remote attackers can send crafted SSH packets with excessively large packet_length values to corrupt heap memory and achieve remote code execution.•CVE-2026-55200
  3. LiteSpeed cPanel Plugin UNIX Symbolic Link (Symlink) Following Vulnerability•CVE-2026-54420
  4. Russh is a Rust SSH client & server library. From version 0.34.0 to before version 0.61.0, several russh client and server message handlers decoded attacker-controlled SSH strings, name-lists, and byte fields into owned allocations before applying field-specific bounds. A remote SSH peer could send oversized, high-fanout, or malformed length-prefixed fields and make the library allocate, attempt to allocate, or split data before rejecting input that should have been rejected earlier. This issue has been patched in version 0.61.0.•CVE-2026-48110
  5. Russh is a Rust SSH client & server library. Prior to version 0.60.3, CryptoVec used unchecked capacity growth, unchecked length arithmetic, and unsafe allocation/locking paths. In current russh releases, local SSH agent peers could still feed attacker-controlled frame lengths into buffer growth before validation. In older russh releases before 0.58.0, remote SSH traffic also reached CryptoVec through transport and compression buffers. This issue has been patched in version 0.60.3.•CVE-2026-46673

References

Sources include official advisories and independent security research.