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CVE-2026-55437

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.17, 2.32.7, 2.33.8, and 2.34.2, the `AgentLogLine` dashboard component instantiated `ansi-to-html` without `escapeXML: true` and inserted the result via `dangerouslySetInnerHTML` so HTML embedded in workspace agent log lines was rendered as live markup. Server-side sanitization did not neutralize HTML metacharacters. Exploitation requires a victim to view attacker-controlled agent logs i
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9a76db35cd9c2fd76584606efacf88e041ec8caae139821c47849e48d7a11975
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"coder","vendor":"coder","versions":[{"status":"affected","version":">= 2.34.0, < 2.34.2"},{"status":"affected","version":">= 2.33.0, < 2.33.8"},{"status":"affected","version":">= 2.30.0, < 2.32.7"},{"status":"affected","version":"< 2.29.17"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ee9e7350283bffbdcb8b04f5210a7219a3a81804a70c734bd0cf7b0c094efd49 · sha256:5418a611d33f5c56… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:ee9e7350283bffbdcb8b04f5210a7219a3a81804a70c734bd0cf7b0c094efd49 · sha256:5418a611d33f5c56… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:ee9e7350283bffbdcb8b04f5210a7219a3a81804a70c734bd0cf7b0c094efd49 · sha256:5418a611d33f5c56… · /containers/cna/problemTypes/0/descriptions/0

Source references

6 source assertions
{"name":"https://github.com/coder/coder/pull/25808","tags":["x_refsource_MISC"],"url":"https://github.com/coder/coder/pull/25808"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ee9e7350283bffbdcb8b04f5210a7219a3a81804a70c734bd0cf7b0c094efd49 · sha256:5418a611d33f5c56… · /containers/cna/references/1
{"name":"https://github.com/coder/coder/releases/tag/v2.29.17","tags":["x_refsource_MISC"],"url":"https://github.com/coder/coder/releases/tag/v2.29.17"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ee9e7350283bffbdcb8b04f5210a7219a3a81804a70c734bd0cf7b0c094efd49 · sha256:5418a611d33f5c56… · /containers/cna/references/2
{"name":"https://github.com/coder/coder/releases/tag/v2.32.7","tags":["x_refsource_MISC"],"url":"https://github.com/coder/coder/releases/tag/v2.32.7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ee9e7350283bffbdcb8b04f5210a7219a3a81804a70c734bd0cf7b0c094efd49 · sha256:5418a611d33f5c56… · /containers/cna/references/3
{"name":"https://github.com/coder/coder/releases/tag/v2.33.8","tags":["x_refsource_MISC"],"url":"https://github.com/coder/coder/releases/tag/v2.33.8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ee9e7350283bffbdcb8b04f5210a7219a3a81804a70c734bd0cf7b0c094efd49 · sha256:5418a611d33f5c56… · /containers/cna/references/4
{"name":"https://github.com/coder/coder/releases/tag/v2.34.2","tags":["x_refsource_MISC"],"url":"https://github.com/coder/coder/releases/tag/v2.34.2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ee9e7350283bffbdcb8b04f5210a7219a3a81804a70c734bd0cf7b0c094efd49 · sha256:5418a611d33f5c56… · /containers/cna/references/5
{"name":"https://github.com/coder/coder/security/advisories/GHSA-7qw2-f75v-62f7","tags":["x_refsource_CONFIRM"],"url":"https://github.com/coder/coder/security/advisories/GHSA-7qw2-f75v-62f7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ee9e7350283bffbdcb8b04f5210a7219a3a81804a70c734bd0cf7b0c094efd49 · sha256:5418a611d33f5c56… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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