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CVE-2026-3236

LOWCVSS 2.3/10EPSS 0.15%

Last modified

CVE-2026-3236 is a low-severity vulnerability rated 2.3/10 on the CVSS scale. In affected versions of Octopus Server it was possible to create a new API key from an existing access token resulting in the new API key having a lifetime exceeding the original API key used to mint the access token.. EPSS estimates a 0.15% chance of exploitation in the next 30 days.

Description

In affected versions of Octopus Server it was possible to create a new API key from an existing access token resulting in the new API key having a lifetime exceeding the original API key used to mint the access token.

Metrics

CVSS 3.1
4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CVSS 4.0
2.3/10

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability
0.15%

5.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
OctopusOctopus Server>= 2023.1.4189, < 2025.3.14761
OctopusOctopus Server>= 2025.4.51, < 2025.4.10409

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-3236?
In affected versions of Octopus Server it was possible to create a new API key from an existing access token resulting in the new API key having a lifetime exceeding the original API key used to mint the access token.
How severe is CVE-2026-3236?
CVE-2026-3236 has a CVSS score of 2.3/10 (LOW severity). The EPSS model estimates a 0.15% probability of exploitation in the next 30 days.
How do I fix CVE-2026-3236?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-3236?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST