{"id":"CVE-2026-54285","summary":"opentelemetry-js: Unbounded memory allocation in W3C Baggage propagation","details":"opentelemetry-js is the OpenTelemetry JavaScript Client. Prior to 2.8.0, W3CBaggagePropagator.extract() in @opentelemetry/core does not enforce size limits when parsing inbound baggage HTTP headers. The W3C Baggage specification recommends a maximum of 8,192 bytes and 180 entries; these limits were only enforced on the outbound (inject()) path, not on the inbound (extract()) path. Parsing oversized baggage causes memory allocation proportional to the header size without any cap. This vulnerability is fixed in 2.8.0.","aliases":["GHSA-8988-4f7v-96qf"],"modified":"2026-08-29T11:47:07.698457658Z","published":"2026-06-22T16:52:54.233Z","related":["CGA-xhph-hj6q-jqvx"],"database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-770"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54285.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54285.json"},{"type":"ADVISORY","url":"https://github.com/open-telemetry/opentelemetry-js/security/advisories/GHSA-8988-4f7v-96qf"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54285"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/open-telemetry/opentelemetry-js","events":[{"introduced":"0"},{"fixed":"13a035bc695996cf4aec885fef7b9866f48bc555"}],"database_specific":{"cpe":"cpe:2.3:a:opentelemetry:opentelemetry:*:*:*:*:*:node.js:*:*","extracted_events":[{"introduced":"0"},{"fixed":"2.8.0"}],"source":["AFFECTED_FIELD","CPE_RANGE"]}}],"versions":["experimental/v0.218.0","semconv/v1.41.1","experimental/v0.217.0","v2.7.1","experimental/v0.216.0","v2.7.0","experimental/v0.215.0","v2.6.1","experimental/v0.214.0","api/v1.9.1","v2.6.0","experimental/v0.213.0","semconv/v1.40.0","v2.5.1","experimental/v0.212.0","v2.5.0","experimental/v0.211.0","semconv/v1.39.0","v2.4.0","experimental/v0.210.0","v2.3.0","experimental/v0.209.0","semconv/v1.38.0","experimental/v0.208.0","v2.2.0","experimental/v0.207.0","experimental/v0.206.0","experimental/v0.205.0","v2.1.0","experimental/v0.204.0","semconv/v1.37.0","semconv/v1.36.0","experimental/v0.203.0","experimental/v0.202.0","semconv/v1.34.0","semconv/v1.33.1","experimental/v0.201.1","v2.0.1","experimental/v0.201.0","semconv/v1.33.0","semconv/v1.32.0","semconv/v1.31.0","v2.0.0","experimental/v0.200.0","semconv/v1.30.0","semconv/v1.29.0","v1.30.0","experimental/v0.57.0","v1.29.0","experimental/v0.56.0","semconv/v1.28.0","v1.28.0","experimental/v0.55.0","experimental/v0.54.2","experimental/v0.54.1","v1.27.0","experimental/v0.54.0","v1.26.0","semconv/v1.27.0","experimental/v0.53.0","semconv/v1.26.0","v1.25.1","experimental/v0.52.1","v1.25.0","experimental/v0.52.0","api/v1.9.0","v1.24.0","experimental/v0.51.0","v1.23.0","experimental/v0.50.0","experimental/v0.49.1","v1.22.0","experimental/v0.49.0","api/v1.8.0","v1.21.0","experimental/v0.48.0","v1.20.0","experimental/v0.47.0","v1.19.0","experimental/v0.46.0","v1.18.1","experimental/v0.45.1","v1.18.0","experimental/v0.45.0","api/v1.7.0","v1.17.1","experimental/v0.44.0","v1.17.0","experimental/v0.43.0","api/v1.6.0","v1.16.0","experimental/v0.42.0","api/v1.5.0","v1.15.2","experimental/v0.41.2","v1.15.1","experimental/v0.41.1","v1.15.0","experimental/v0.41.0","v1.14.0","experimental/v0.40.0","experimental/v0.39.1","v1.13.0","experimental/v0.39.0","v1.12.0","experimental/v0.38.0","v1.11.0","experimental/v0.37.0","v1.10.0","experimental/v0.36.0","api/v1.4.1","v1.9.1","experimental/v0.35.1","v1.9.0","experimental/v0.35.0","api/v1.4.0","v1.8.0","experimental/v0.34.0","api/v1.3.0","v1.7.0","experimental/v0.33.0","v1.6.0","experimental/v0.32.0","v1.5.0","experimental/v0.31.0","v1.4.0","experimental/v0.30.0","experimental/v0.29.1","v1.3.0","experimental/v0.29.0","v1.2.0","v0.28.0","v1.1.1","v1.1.0","stable/v1.0.1","experimental/v0.27.0","stable/v1.0.0","v0.26.0","v0.25.0","v0.24.0","v0.23.0","v0.22.0","v0.21.0","v0.20.0","v0.19.0","v0.18.2","v0.18.1","v0.18.0","v0.17.0","v0.16.0","v0.15.0","v0.14.0","v0.13.0","v0.12.0","v0.11.0","0.11.0","v0.10.3-canary.0","v0.10.2","v0.10.1","v0.10.0","v0.9.0","v0.8.3","v0.8.2","v0.8.1","v0.8.0","v0.7.0","v0.6.1","v0.6.0","v0.5.2","v0.5.1","v0.5.0","v0.4.0","v0.3.3","v0.3.2","v0.3.1","v0.3.0","v0.2.0","v0.1.1","v0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-54285.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}]}