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CVE-2026-54772

CoreWCF is a port of the service side of Windows Communication Foundation (WCF) to .NET Core. Prior to 1.8.1 and 1.9.1, an unauthenticated remote attacker that can reach a NetTcpBinding, NetNamedPipeBinding, or UnixDomainSocketBinding endpoint can trigger premature EOF handling in the CoreWCF net.tcp, net.pipe, or net.uds framing handshake and pin one server thread-pool worker at full CPU per connection. This issue is fixed in versions 1.8.1 and 1.9.1.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:031dad7b4812e658cdd90f5134dd8262328178034be88b334623b992d68f2ccd
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9497c192c20dc329c7a0a8dec5127f7edf2744b976310d9928eb17b7577bfe98 · sha256:274ca6855e99fb68… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-835","description":"CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9497c192c20dc329c7a0a8dec5127f7edf2744b976310d9928eb17b7577bfe98 · sha256:274ca6855e99fb68… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"CoreWCF","vendor":"CoreWCF","versions":[{"status":"affected","version":">= 1.9.0, < 1.9.1"},{"status":"affected","version":"< 1.8.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9497c192c20dc329c7a0a8dec5127f7edf2744b976310d9928eb17b7577bfe98 · sha256:274ca6855e99fb68… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9497c192c20dc329c7a0a8dec5127f7edf2744b976310d9928eb17b7577bfe98 · sha256:274ca6855e99fb68… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9497c192c20dc329c7a0a8dec5127f7edf2744b976310d9928eb17b7577bfe98 · sha256:274ca6855e99fb68… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-835","description":"CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9497c192c20dc329c7a0a8dec5127f7edf2744b976310d9928eb17b7577bfe98 · sha256:274ca6855e99fb68… · /containers/cna/problemTypes/1/descriptions/0

Source references

6 source assertions
{"name":"https://github.com/CoreWCF/CoreWCF/commit/03ddbced349931a2da6c0efcdf745c0722eff77c","tags":["x_refsource_MISC"],"url":"https://github.com/CoreWCF/CoreWCF/commit/03ddbced349931a2da6c0efcdf745c0722eff77c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9497c192c20dc329c7a0a8dec5127f7edf2744b976310d9928eb17b7577bfe98 · sha256:274ca6855e99fb68… · /containers/cna/references/1
{"name":"https://github.com/CoreWCF/CoreWCF/commit/7ddd966d6e58564a32ab30c825dd693b45a34a55","tags":["x_refsource_MISC"],"url":"https://github.com/CoreWCF/CoreWCF/commit/7ddd966d6e58564a32ab30c825dd693b45a34a55"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9497c192c20dc329c7a0a8dec5127f7edf2744b976310d9928eb17b7577bfe98 · sha256:274ca6855e99fb68… · /containers/cna/references/2
{"name":"https://github.com/CoreWCF/CoreWCF/commit/c4212988cd6fd472783d0413426eeac61044097a","tags":["x_refsource_MISC"],"url":"https://github.com/CoreWCF/CoreWCF/commit/c4212988cd6fd472783d0413426eeac61044097a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9497c192c20dc329c7a0a8dec5127f7edf2744b976310d9928eb17b7577bfe98 · sha256:274ca6855e99fb68… · /containers/cna/references/3
{"name":"https://github.com/CoreWCF/CoreWCF/releases/tag/v1.8.1","tags":["x_refsource_MISC"],"url":"https://github.com/CoreWCF/CoreWCF/releases/tag/v1.8.1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9497c192c20dc329c7a0a8dec5127f7edf2744b976310d9928eb17b7577bfe98 · sha256:274ca6855e99fb68… · /containers/cna/references/4
{"name":"https://github.com/CoreWCF/CoreWCF/releases/tag/v1.9.1","tags":["x_refsource_MISC"],"url":"https://github.com/CoreWCF/CoreWCF/releases/tag/v1.9.1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9497c192c20dc329c7a0a8dec5127f7edf2744b976310d9928eb17b7577bfe98 · sha256:274ca6855e99fb68… · /containers/cna/references/5
{"name":"https://github.com/CoreWCF/CoreWCF/security/advisories/GHSA-p86g-xrr2-pf7c","tags":["x_refsource_CONFIRM"],"url":"https://github.com/CoreWCF/CoreWCF/security/advisories/GHSA-p86g-xrr2-pf7c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9497c192c20dc329c7a0a8dec5127f7edf2744b976310d9928eb17b7577bfe98 · sha256:274ca6855e99fb68… · /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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