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01 Record

CVE-2026-73840

OpenChoreo: Unauthenticated build/workflow trigger via git-provider confusion (webhook signature bypass)

MediumPUBLISHEDCNA: GitHub_M
CNA base score5.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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02 Description

OpenChoreo: Unauthenticated build/workflow trigger via git-provider confusion (webhook signature bypass)

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.34% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 27.9% of scored records. A rank, not a probability.
NVD base score
5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD analysis status
Deferred. NVD last modified this record on 2026-09-08.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-08-13 21:52Z2 MO AGO
Last updated
2026-08-14 16:26Z2 MO AGO
Reserved
2026-08-13
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
Medium (CVSS 5.3)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weaknesses
  • CWE-287Improper AuthenticationClass
  • CWE-290Authentication Bypass by SpoofingBase
  • CWE-345Insufficient Verification of Data AuthenticityClass
Data version
5.2
Document digest
83842e677ebaf23295b6dfcd3a3268f31e57b5b1ad4ce591ec550eddd3e76b39

05 Affected products

VendorProductVersionsPlatforms
openchoreoopenchoreo< 1.0.3, >= 1.1.0, < 1.1.3, >= 1.2.0-rc.1, < 1.2.0-rc.2—

06 References