CVE-2026-55430

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.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• 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

0.21% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 10.8% of scored records. A rank, not a probability.

NVD base score

6.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-07-08.

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.

Published

2026-07-08 00:03Z1 MO AGO

Last updated

2026-07-08 17:10Z1 MO AGO

Reserved

2026-06-16

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 5.8)

CNA CVSS vector

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

Weaknesses

• CWE-345Insufficient Verification of Data AuthenticityClass
• CWE-441Unintended Proxy or Intermediary ('Confused Deputy')Class

Data version

5.2

Document digest

7bf003dfc5807e65afe27335d29cf45fb08c78de9090ac5878eda22816c43812

• github.comhttps://github.com/coder/coder/security/advisories/GHSA-5g4w-3vw9-478wx_refsource_CONFIRM
• github.comhttps://github.com/coder/coder/pull/26204x_refsource_MISC
• github.comhttps://github.com/coder/coder/releases/tag/v2.29.17x_refsource_MISC
• github.comhttps://github.com/coder/coder/releases/tag/v2.32.7x_refsource_MISC
• github.comhttps://github.com/coder/coder/releases/tag/v2.33.8x_refsource_MISC
• github.comhttps://github.com/coder/coder/releases/tag/v2.34.2x_refsource_MISC