October 8, 2026

CVE Watchtower

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CVE-2026-102478NVD

Vulnerability Summary

In affected versions of Octopus Server, an authenticated user with permission to modify roles could bypass the protections preventing access abuse resulting in privilege escalation. It was possible for the built-in role to be weakened and the attacker's account added to a privileged team. This was achievable due to improper validation of unsafe equivalence in inputs.
Severity Level
HIGH(8.7)
Published Date
Oct 7, 2026
Last Modified
Oct 7, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.30%Probability
Root Weakness (CWE)
CWE-1289: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v4.0 Base Metrics — Score 8.7 (HIGH)
Attack VectorNetwork
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredLow
User InteractionNone
Confidentiality (Vulnerable System)High
Integrity (Vulnerable System)High
Availability (Vulnerable System)High
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None

Affected & Patched Versions

Affected Versions
  • Octopus Deploy Octopus Server >= 2023.2.945 and < 2026.1.11768
  • Octopus Deploy Octopus Server >= 2026.2.0 and < 2026.2.13408
  • Octopus Deploy Octopus Server >= 2026.3.0 and < 2026.3.15816
Patched Versions
  • Octopus Deploy Octopus Server 2026.1.11768
  • Octopus Deploy Octopus Server 2026.2.13408
  • Octopus Deploy Octopus Server 2026.3.15816
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🚫Ad-Free — Uninterrupted experience.
🎁7-Day Free Trial — Try Pro or Team, no card required.
📧Email Delivery — Threat intel straight to your inbox.
♾️Unlimited Vendors — Track your entire stack.
🚨All New CVEs — Be the first to know.
📈EPSS Spike Alerts — Catch rising risk before it peaks.
🎯Custom EPSS/CVSS — Filter noise, focus on risk.
🛡️Exploit Intel — A 2nd confirmed-exploit signal beyond KEV.
🐙GitHub Issues — Auto-tracked, no duplicates.
📬Weekly Digest — One clean summary, not inbox spam.
🏷️Watchlist Groups — Tag alerts by team (Infra/AppSec/SOC).
💬Webhooks — Slack & Teams integration.
🔀Smart Routing — Critical alerts to one channel, rest to another.
🚫Ad-Free — Uninterrupted experience.

External References