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CVE-2026-23870

A denial of service vulnerability could be triggered by sending specially crafted HTTP requests to server function endpoints, this could lead to server crashes, out-of-memory exceptions or excessive CPU usage; affecting the following packages: react-server-dom-webpack, react-server-dom-parcel, react-server-dom-turbopack (versions 19.0.0 through 19.0.5, 19.1.0 through 19.1.6, and 19.2.0 through 19.2.5).
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0426e3fb99c8e4bdbf7c8256d059873aba9c345a0ee187e522679e25dd25866b
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 3 assertions

{"defaultStatus":"unaffected","product":"react-server-dom-turbopack","vendor":"Meta","versions":[{"lessThanOrEqual":"19.0.5","status":"affected","version":"19.0.0","versionType":"semver"},{"lessThanOrEqual":"19.1.6","status":"affected","version":"19.1.0","versionType":"semver"},{"lessThanOrEqual":"19.2.5","status":"affected","version":"19.2.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eb7aacba881451b312b8ddaa81a2ed7bfe0075283731da6a9afedd96bbb24fbe · sha256:d8ebe1ff6e329d6c… · /containers/cna/affected/0

{"defaultStatus":"unaffected","product":"react-server-dom-parcel","vendor":"Meta","versions":[{"lessThanOrEqual":"19.0.5","status":"affected","version":"19.0.0","versionType":"semver"},{"lessThanOrEqual":"19.1.6","status":"affected","version":"19.1.0","versionType":"semver"},{"lessThanOrEqual":"19.2.5","status":"affected","version":"19.2.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eb7aacba881451b312b8ddaa81a2ed7bfe0075283731da6a9afedd96bbb24fbe · sha256:d8ebe1ff6e329d6c… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"react-server-dom-webpack","vendor":"Meta","versions":[{"lessThanOrEqual":"19.0.5","status":"affected","version":"19.0.0","versionType":"semver"},{"lessThanOrEqual":"19.1.6","status":"affected","version":"19.1.0","versionType":"semver"},{"lessThanOrEqual":"19.2.5","status":"affected","version":"19.2.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eb7aacba881451b312b8ddaa81a2ed7bfe0075283731da6a9afedd96bbb24fbe · sha256:d8ebe1ff6e329d6c… · /containers/cna/affected/2

Affected products and versions

3 source assertions
{"defaultStatus":"unaffected","product":"react-server-dom-turbopack","vendor":"Meta","versions":[{"lessThanOrEqual":"19.0.5","status":"affected","version":"19.0.0","versionType":"semver"},{"lessThanOrEqual":"19.1.6","status":"affected","version":"19.1.0","versionType":"semver"},{"lessThanOrEqual":"19.2.5","status":"affected","version":"19.2.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eb7aacba881451b312b8ddaa81a2ed7bfe0075283731da6a9afedd96bbb24fbe · sha256:d8ebe1ff6e329d6c… · /containers/cna/affected/0
{"defaultStatus":"unaffected","product":"react-server-dom-parcel","vendor":"Meta","versions":[{"lessThanOrEqual":"19.0.5","status":"affected","version":"19.0.0","versionType":"semver"},{"lessThanOrEqual":"19.1.6","status":"affected","version":"19.1.0","versionType":"semver"},{"lessThanOrEqual":"19.2.5","status":"affected","version":"19.2.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eb7aacba881451b312b8ddaa81a2ed7bfe0075283731da6a9afedd96bbb24fbe · sha256:d8ebe1ff6e329d6c… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"react-server-dom-webpack","vendor":"Meta","versions":[{"lessThanOrEqual":"19.0.5","status":"affected","version":"19.0.0","versionType":"semver"},{"lessThanOrEqual":"19.1.6","status":"affected","version":"19.1.0","versionType":"semver"},{"lessThanOrEqual":"19.2.5","status":"affected","version":"19.2.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eb7aacba881451b312b8ddaa81a2ed7bfe0075283731da6a9afedd96bbb24fbe · sha256:d8ebe1ff6e329d6c… · /containers/cna/affected/2

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.5,"baseSeverity":"HIGH","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:eb7aacba881451b312b8ddaa81a2ed7bfe0075283731da6a9afedd96bbb24fbe · sha256:d8ebe1ff6e329d6c… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"description":"(CWE-502) Deserialization of Untrusted Data, (CWE-400) Uncontrolled Resource Consumption","lang":"en"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:eb7aacba881451b312b8ddaa81a2ed7bfe0075283731da6a9afedd96bbb24fbe · sha256:d8ebe1ff6e329d6c… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"tags":["x_refsource_CONFIRM"],"url":"https://github.com/facebook/react/security/advisories/GHSA-rv78-f8rc-xrxh"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eb7aacba881451b312b8ddaa81a2ed7bfe0075283731da6a9afedd96bbb24fbe · sha256:d8ebe1ff6e329d6c… · /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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