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CVE-2026-23864

A flaw was found in React Server Components. A remote attacker can exploit this vulnerability by sending specially crafted HTTP requests to Server Function endpoints. This can lead to a Denial of Service (DoS), causing server crashes, out-of-memory exceptions, or excessive CPU usage, thereby impacting the availability of applications.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:00d4efcb832954a76a064b4e009c3ca14c907177428bc5d4c3c298eaaeea7849
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 5 assertions

{"defaultStatus":"unaffected","product":"react-server-dom-turbopack","vendor":"Meta","versions":[{"lessThan":"19.0.4","status":"affected","version":"19.0.0","versionType":"semver"},{"lessThan":"19.1.5","status":"affected","version":"19.1.0","versionType":"semver"},{"lessThan":"19.2.4","status":"affected","version":"19.2.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b4a56e7e9ac750f98097498503eae11475e0c3ab3bed0a8f83ef33517e1fd2ee · sha256:88320096c9a1af04… · /containers/cna/affected/1

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:amq_streams:2.9::el9"],"defaultStatus":"unaffected","packageName":"com.github.streamshub-console","product":"Streams for Apache Kafka 2.9.4","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b4a56e7e9ac750f98097498503eae11475e0c3ab3bed0a8f83ef33517e1fd2ee · sha256:88320096c9a1af04… · /containers/adp/1/affected/0

{"defaultStatus":"unaffected","product":"react-server-dom-webpack","vendor":"Meta","versions":[{"lessThan":"19.0.4","status":"affected","version":"19.0.0","versionType":"semver"},{"lessThan":"19.1.5","status":"affected","version":"19.1.0","versionType":"semver"},{"lessThan":"19.2.4","status":"affected","version":"19.2.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b4a56e7e9ac750f98097498503eae11475e0c3ab3bed0a8f83ef33517e1fd2ee · sha256:88320096c9a1af04… · /containers/cna/affected/0

{"defaultStatus":"unaffected","product":"react-server-dom-parcel","vendor":"Meta","versions":[{"lessThan":"19.0.4","status":"affected","version":"19.0.0","versionType":"semver"},{"lessThan":"19.1.5","status":"affected","version":"19.1.0","versionType":"semver"},{"lessThan":"19.2.4","status":"affected","version":"19.2.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b4a56e7e9ac750f98097498503eae11475e0c3ab3bed0a8f83ef33517e1fd2ee · sha256:88320096c9a1af04… · /containers/cna/affected/2

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:amq_streams:3.2::el9"],"defaultStatus":"unaffected","packageName":"com.github.streamshub-console","product":"Streams for Apache Kafka 3.2.0","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b4a56e7e9ac750f98097498503eae11475e0c3ab3bed0a8f83ef33517e1fd2ee · sha256:88320096c9a1af04… · /containers/adp/1/affected/1
cwe · 4 assertions

{"description":"(CWE-502): Deserialization of Untrusted Data. (CWE-400): Uncontrolled Resource Consumption","lang":"en"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b4a56e7e9ac750f98097498503eae11475e0c3ab3bed0a8f83ef33517e1fd2ee · sha256:88320096c9a1af04… · /containers/cna/problemTypes/0/descriptions/0

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

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b4a56e7e9ac750f98097498503eae11475e0c3ab3bed0a8f83ef33517e1fd2ee · sha256:88320096c9a1af04… · /containers/adp/0/problemTypes/1/descriptions/0

{"cweId":"CWE-1284","description":"Improper Validation of Specified Quantity in Input","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b4a56e7e9ac750f98097498503eae11475e0c3ab3bed0a8f83ef33517e1fd2ee · sha256:88320096c9a1af04… · /containers/adp/1/problemTypes/0/descriptions/0

{"cweId":"CWE-502","description":"CWE-502 Deserialization of Untrusted Data","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b4a56e7e9ac750f98097498503eae11475e0c3ab3bed0a8f83ef33517e1fd2ee · sha256:88320096c9a1af04… · /containers/adp/0/problemTypes/0/descriptions/0

Affected products and versions

5 source assertions
{"defaultStatus":"unaffected","product":"react-server-dom-turbopack","vendor":"Meta","versions":[{"lessThan":"19.0.4","status":"affected","version":"19.0.0","versionType":"semver"},{"lessThan":"19.1.5","status":"affected","version":"19.1.0","versionType":"semver"},{"lessThan":"19.2.4","status":"affected","version":"19.2.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b4a56e7e9ac750f98097498503eae11475e0c3ab3bed0a8f83ef33517e1fd2ee · sha256:88320096c9a1af04… · /containers/cna/affected/1
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:amq_streams:2.9::el9"],"defaultStatus":"unaffected","packageName":"com.github.streamshub-console","product":"Streams for Apache Kafka 2.9.4","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b4a56e7e9ac750f98097498503eae11475e0c3ab3bed0a8f83ef33517e1fd2ee · sha256:88320096c9a1af04… · /containers/adp/1/affected/0
{"defaultStatus":"unaffected","product":"react-server-dom-webpack","vendor":"Meta","versions":[{"lessThan":"19.0.4","status":"affected","version":"19.0.0","versionType":"semver"},{"lessThan":"19.1.5","status":"affected","version":"19.1.0","versionType":"semver"},{"lessThan":"19.2.4","status":"affected","version":"19.2.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b4a56e7e9ac750f98097498503eae11475e0c3ab3bed0a8f83ef33517e1fd2ee · sha256:88320096c9a1af04… · /containers/cna/affected/0
{"defaultStatus":"unaffected","product":"react-server-dom-parcel","vendor":"Meta","versions":[{"lessThan":"19.0.4","status":"affected","version":"19.0.0","versionType":"semver"},{"lessThan":"19.1.5","status":"affected","version":"19.1.0","versionType":"semver"},{"lessThan":"19.2.4","status":"affected","version":"19.2.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b4a56e7e9ac750f98097498503eae11475e0c3ab3bed0a8f83ef33517e1fd2ee · sha256:88320096c9a1af04… · /containers/cna/affected/2
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:amq_streams:3.2::el9"],"defaultStatus":"unaffected","packageName":"com.github.streamshub-console","product":"Streams for Apache Kafka 3.2.0","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b4a56e7e9ac750f98097498503eae11475e0c3ab3bed0a8f83ef33517e1fd2ee · sha256:88320096c9a1af04… · /containers/adp/1/affected/1

Provider-owned CVSS observations

2 source assertions
{"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:b4a56e7e9ac750f98097498503eae11475e0c3ab3bed0a8f83ef33517e1fd2ee · sha256:88320096c9a1af04… · /containers/adp/1/metrics/1/cvssV3_1
{"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:b4a56e7e9ac750f98097498503eae11475e0c3ab3bed0a8f83ef33517e1fd2ee · sha256:88320096c9a1af04… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

4 source assertions
{"description":"(CWE-502): Deserialization of Untrusted Data. (CWE-400): Uncontrolled Resource Consumption","lang":"en"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b4a56e7e9ac750f98097498503eae11475e0c3ab3bed0a8f83ef33517e1fd2ee · sha256:88320096c9a1af04… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-400","description":"CWE-400 Uncontrolled Resource Consumption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b4a56e7e9ac750f98097498503eae11475e0c3ab3bed0a8f83ef33517e1fd2ee · sha256:88320096c9a1af04… · /containers/adp/0/problemTypes/1/descriptions/0
{"cweId":"CWE-1284","description":"Improper Validation of Specified Quantity in Input","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b4a56e7e9ac750f98097498503eae11475e0c3ab3bed0a8f83ef33517e1fd2ee · sha256:88320096c9a1af04… · /containers/adp/1/problemTypes/0/descriptions/0
{"cweId":"CWE-502","description":"CWE-502 Deserialization of Untrusted Data","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b4a56e7e9ac750f98097498503eae11475e0c3ab3bed0a8f83ef33517e1fd2ee · sha256:88320096c9a1af04… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

6 source assertions
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:13571"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b4a56e7e9ac750f98097498503eae11475e0c3ab3bed0a8f83ef33517e1fd2ee · sha256:88320096c9a1af04… · /containers/adp/1/references/4
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:34608"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b4a56e7e9ac750f98097498503eae11475e0c3ab3bed0a8f83ef33517e1fd2ee · sha256:88320096c9a1af04… · /containers/adp/1/references/3
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-23864"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b4a56e7e9ac750f98097498503eae11475e0c3ab3bed0a8f83ef33517e1fd2ee · sha256:88320096c9a1af04… · /containers/adp/1/references/0
{"name":"RHBZ#2433059","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2433059"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b4a56e7e9ac750f98097498503eae11475e0c3ab3bed0a8f83ef33517e1fd2ee · sha256:88320096c9a1af04… · /containers/adp/1/references/1
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23864.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b4a56e7e9ac750f98097498503eae11475e0c3ab3bed0a8f83ef33517e1fd2ee · sha256:88320096c9a1af04… · /containers/adp/1/references/2
{"tags":["x_refsource_CONFIRM"],"url":"https://www.facebook.com/security/advisories/cve-2026-23864"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b4a56e7e9ac750f98097498503eae11475e0c3ab3bed0a8f83ef33517e1fd2ee · sha256:88320096c9a1af04… · /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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