[Verse 1] Two bugs crawled out of the server rack today Wearing borrowed credentials, mapping out their way First one hides in LiteSpeed's cPanel door A symlink vulnerability — let's decode what's in store If you've got FTP access or a web shell in hand On a CloudLinux CageFS shared hosting land You follow the symbolic link where it shouldn't go Pointing past the cage walls, reading files below [Chorus] CVE-2026-54420, symlink in the chain Tracing paths that weren't yours to follow, slipping past therain CVE-2026-20262, Cisco's SD-WAN pain Authenticated traversal, overwriting the terrain Patch the link, block the path, neutralize the strain Two critical warnings burning through your domain [Verse 2] Second bug lives deeper in the Cisco stack Catalyst SD-WAN Manager, path traversal attack You're authenticated — logged in, verified, approved But the directory boundaries never actually moved A remote attacker crafts a filename like a key Stepping dot-dot-slash across the filesystem free Creates a file, overwrites what shouldn't touch One authenticated session doing way too much [Chorus] CVE-2026-54420, symlink in the chain Tracing paths that weren't yours to follow, slipping past the rain CVE-2026-20262, Cisco's SD-WAN pain Authenticated traversal, overwriting the terrain Patch the link, block the path, neutralize the strain Two critical warnings burning through your domain [Bridge] Shared hosting feels cozy till the symlink walks the floor Cisco feels secure till traversal picks the lock on every door Both flaws whisper the same gospel to your ops team today Trust the boundary — then verify the boundary — then verify again, okay? June eighteenth twenty-twenty-six, log the date and rotate fast Update LiteSpeed's plugin, push the Cisco patch broadcast Your filesystem is not a hallway open to the hall Check the CVE catalog — catalog them all [Verse 3] So picture this — a tenant on a server farm Thinks their CageFS sandbox keeps their neighbors calm But symlinks are like tunnels dug beneath the fence Following the pointer where the permissions grew dense Meanwhile in the SD-WAN management plane An attacker types a crafted path inside a request chain The filesystem says yes when the answer should be locked Two products, two missteps, both clocks already clocked [Chorus] CVE-2026-54420, symlink in the chain Tracing paths that weren't yours to follow, slipping past the rain CVE-2026-20262, Cisco's SD-WAN pain Authenticated traversal, overwriting the terrain Patch the link, block the path, neutralize the strain Two critical warnings burning through your domain [Outro] June eighteen, the bulletin drops Two CVEs, no room to pause or stop LiteSpeed plugin, Cisco SD-WAN Read the advisories — get the patches on
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