CVE-2026-76519
Is CVE-2026-76519 real, exploitable, or a false positive? Here's the community verdict.
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signals
public sources
Confirmed exploited in the wild. Patch this first, regardless of the base score.
cisa ssvc
CISA Vulnrichment · assessed
CISA decision, by how critical the affected system is to you:
- low impact → Attend
- medium impact → Act
- high impact → Act
Track: normal patch cycle · Track*: watch closely · Attend: patch sooner · Act: patch now. About SSVC ↗
public exploits
links to sources — we don’t host codeUnverified proof-of-concept code has been published. It may or may not be functional — assess before relying on it.
baseline read
auto · not a community verdict
Real — exploited in the wild
CISA confirms active exploitation. Treat scanner hits as true positives unless your specific version or config is unaffected.
Based on CISA KEV
Confirm or dispute →CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
A vulnerability in the Advanced Malware Protection (AMP) feature of Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to write arbitrary files on the underlying operating system. This vulnerability is due to improper handling of email attachments when the file reputation service is enabled. An attacker could exploit this vulnerability by sending an email that contains a crafted attachment through an affected device. A successful exploit could allow the attacker to write arbitrary files and execute commands with root privileges on the underlying operating system.
References
Published · Added to CISA KEV (same day)
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In your experience, is this finding real and exploitable?
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Field notes & remediation
Verdicts are the quick signal. Notes are the evidence and fixes behind them.
- 0
Cisco Secure Email Gateway Relative Path Traversal Vulnerability — Cisco Secure Email Gateway contains a relative path traversal vulnerability that could allow an unauthenticated, remote attacker to write arbitrary files on the underlying operating system. Listed in the CISA KEV catalog (added 2026-10-14) — confirmed exploited in the wild, not theoretical. FIRST EPSS puts the chance of exploitation in the next 30 days at ~2%. Treat it as real and prioritize remediation over triage.
- 0
Required action for Cisco Secure Email Gateway: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. CISA set a federal remediation due date of 2026-10-17. After patching, verify the vulnerable path is no longer reachable before closing the finding.
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