Common Weakness Enumeration

CWE-248

Allowed

Uncaught Exception

Abstraction: Base · Status: Draft

API response cwe.mitre.org

An exception is thrown from a function, but it is not caught.

527 vulnerabilities reference this CWE, most recent first.

CVE-2026-18675 (GCVE-0-2026-18675)

Vulnerability from cvelistv5 – Published: 2026-08-12 18:36 – Updated: 2026-08-13 15:28

Title

Kong Mesh: control plane denial of service via a malformed dataplane token with a non-string JWT kid

Summary

The dataplane token validator in kuma-cp performs an unchecked Go type assertion on the JWT kid header. A token whose kid is a JSON number decodes as a float64 and triggers a runtime panic before any signature, claims, or authorization check runs. The panic terminates the entire kuma-cp process, HTTP API, the health and readiness endpoints, and xDS. Unauthenticated access to the dataplane gRPC server can trigger the crash with a malformed token A single request is a transient interruption; sustaining an outage requires repeated requests.

Severity

5.3 (Medium)


                        
                          CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-13 15:28 UTC

CWE

CWE-248 - Uncaught Exception
CWE-704 - Incorrect Type Conversion or Cast

Assigner

Kong mitre root

References

9 references

URL	Tags
https://github.com/kumahq/kuma/security/advisorie…	vendor-advisory
https://github.com/kumahq/kuma/pull/17465	patch
https://github.com/kumahq/kuma/pull/17468	patch
https://github.com/kumahq/kuma/pull/17467	patch
https://github.com/kumahq/kuma/pull/17471	patch
https://github.com/kumahq/kuma/pull/17469	patch
https://github.com/kumahq/kuma/pull/17470	patch
https://github.com/kumahq/kuma/pull/17472	patch
https://developer.konghq.com/mesh/changelog/	release-notes

Impacted products

1 product

Vendor	Product	Version
Kong Inc.	Kong Mesh	Affected: 0 , < 2.7.29 (semver) Affected: 2.8.0 , < 2.9.19 (semver) Affected: 2.10.0 , < 2.11.18 (semver) Affected: 2.12.0 , < 2.12.14 (semver) Affected: 2.13.0 , < 2.13.10 (semver) Affected: 2.14.0 , < 2.14.2 (semver)

Credits

https://hackerone.com/0ricky

Show details on NVD website

JSON

To clipboard

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CVE-2026-14631 (GCVE-0-2026-14631)

Vulnerability from cvelistv5 – Published: 2026-07-03 17:23 – Updated: 2026-07-06 15:54

Title

webpack-dev-server vulnerable to denial of service via a malformed Host or Origin header

Summary

webpack-dev-server versions 5.2.5 and earlier terminate the whole Node.js process when an unauthenticated peer sends either a normal HTTP request with a malformed Host header or a WebSocket upgrade to the default /ws endpoint with a malformed Origin header. The malformed value causes an uncaught exception in the host-validation path and crashes the dev server. Impact is limited to availability of the development server, no data disclosure, no code execution. Patches: upgrade to webpack-dev-server 5.2.6. Workarounds: keep the dev server bound to localhost (the default) and do not expose it to untrusted networks.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-06 15:54 UTC

CWE

CWE-20 - Improper Input Validation
CWE-248 - Uncaught Exception

Assigner

openjs redhat root

References

2 references

URL	Tags
https://github.com/webpack/webpack-dev-server/sec…
https://cna.openjsf.org/security-advisories.html

Impacted products

1 product

Vendor	Product	Version
webpack-dev-server	webpack-dev-server	Affected: 0 , < 5.2.6 (semver) Unaffected: 5.2.6 (semver)

Credits

Str1ckl4nd bjohansebas UlisesGascon

Show details on NVD website

JSON

To clipboard

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CVE-2026-14181 (GCVE-0-2026-14181)

Vulnerability from cvelistv5 – Published: 2026-07-01 11:42 – Updated: 2026-07-01 12:05

Title

@fastify/middie standalone engine vulnerable to Denial of Service via malformed percent-encoded paths

Summary

@fastify/middie versions 9.1.0 through 9.3.2 fail to guard the URL normalization step used by the standalone engine when incoming request paths contain malformed percent-encoded sequences. Inputs such as an incomplete percent escape or a truncated multibyte sequence cause the underlying decoder to throw synchronously, and the exception escapes the middie normalize step and terminates the Node.js process. The bypass affects applications that call middie.run directly on the standalone engine API, causing an immediate denial of service for all connected clients until restart. Applications using the Fastify plugin path are not affected because Fastifys error handler catches the exception. Patches: upgrade to @fastify/middie 9.3.3. Workarounds: migrate from the standalone engine API to the Fastify plugin path, where the framework error handler catches the exception.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-01 11:59 UTC

CWE

CWE-248 - Uncaught Exception

Assigner

openjs redhat root

References

2 references

URL	Tags
https://github.com/fastify/middie/security/adviso…
https://cna.openjsf.org/security-advisories.html

Impacted products

1 product

Vendor	Product	Version
@fastify/middie	@fastify/middie	Affected: 9.1.0 , < 9.3.3 (semver) Unaffected: 9.3.3 (semver)

Credits

Jvr2022 mcollina UlisesGascon

Show details on NVD website

JSON

To clipboard

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CVE-2026-13697 (GCVE-0-2026-13697)

Vulnerability from cvelistv5 – Published: 2026-07-29 16:32 – Updated: 2026-07-29 17:53

Title

undici vulnerable to cross-user information disclosure and parse-time crash via degenerate private cache directives

Summary

undici's cache interceptor mishandles malformed Cache-Control private directives. In undici 7.0.0 up to before 7.29.0 and 8.0.0 up to before 8.9.0, a response carrying a degenerate qualified private directive, such as private set to an empty value, can be stored in the default shared cache and later served to a different caller with the same cache key, disclosing private response bodies and headers including Set-Cookie. Separately, a Cache-Control header that combines an unqualified private directive with a qualified one triggers an uncaught TypeError in the cache-control parser, which rejects the request and, depending on the consumer's error handling, can terminate the process. Both issues affect applications using the cache interceptor in shared mode, including the default configuration. The issues are fixed in undici 7.29.0 and 8.9.0.

Severity

7.4 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-29 17:53 UTC

CWE

CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
CWE-248 - Uncaught Exception
CWE-525 - Use of Web Browser Cache Containing Sensitive Information

Assigner

openjs redhat root

References

2 references

URL	Tags
https://github.com/nodejs/undici/security/advisor…
https://cna.openjsf.org/security-advisories.html

Impacted products

1 product

Vendor	Product	Version
undici	undici	Affected: 7.0.0 , < 7.29.0 (semver) Unaffected: 7.29.0 (semver) Affected: 8.0.0 , < 8.9.0 (semver) Unaffected: 8.9.0 (semver)

Credits

mcollina UlisesGascon

Show details on NVD website

JSON

To clipboard

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CVE-2026-9509 (GCVE-0-2026-9509)

Vulnerability from cvelistv5 – Published: 2026-05-29 12:11 – Updated: 2026-05-29 13:33

Title

Uncaught exception vulnerability in Suprema's BioStar

Summary

An unhandled exception in Suprema BioStar 2 (Server), versions 2.9.8, 2.9.10, and 2.9.11, that allows an unauthenticated remote attacker to cause a denial of service (DoS) by sending HTTP POST requests to the ‘/api/migration’ endpoint. This request triggers a failure that halts critical processes, leaving the system offline until the services or server are manually restarted. As a result, access control readers cease to function, and potential failures may occur in third-party integrations. Since the exploit requires no privileges or user interaction and is trivial to automate, the impact on availability is high, and the effect extends to interconnected systems.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-29 13:32 UTC

CWE

CWE-248 - Uncaught exception

Assigner

INCIBE INCIBE root

References

1 reference

URL	Tags
https://www.incibe.es/en/incibe-cert/notices/avis…	patch

Impacted products

1 product

Vendor	Product	Version
Suprema	BioStar 2 (server)	Affected: v2.9.11 (custom) Affected: v2.9.10 Affected: v2.9.8

Date Public

2026-05-29 10:00

Credits

Jordi Garcia Ribera

Show details on NVD website

JSON

To clipboard

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CVE-2026-8161 (GCVE-0-2026-8161)

Vulnerability from cvelistv5 – Published: 2026-05-12 08:50 – Updated: 2026-05-12 12:32

Title

multiparty vulnerable to Denial of Service via Prototype Pollution leading to Uncaught Exception

Summary

multiparty@4.2.3 and lower versions are vulnerable to denial of service via uncaught exception. By sending a multipart/form-data request with a field name that collides with an inherited Object.prototype property such as __proto__, constructor, or toString, the parser invokes .push() on the inherited prototype value rather than an array, throwing a TypeError that propagates as an uncaught exception and crashes the process. Impact: any service accepting multipart uploads via multiparty is affected. Workarounds: none. Upgrade to multiparty@4.3.0 or higher.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-12 12:31 UTC

CWE

CWE-248 - Uncaught Exception
CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

Assigner

openjs redhat root

References

2 references

URL	Tags
https://github.com/pillarjs/multiparty/security/a…
https://cna.openjsf.org/security-advisories.html

Impacted products

1 product

Vendor	Product	Version
multiparty	multiparty	Affected: 0 , ≤ 4.2.3 (semver) Unaffected: 4.3.0 (semver)

Credits

Ser0n-ath Sebastian Beltran kq5y Byambadalai Sumiya Blake Embrey Ulises Gascón

Show details on NVD website

JSON

To clipboard

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CVE-2026-7183 (GCVE-0-2026-7183)

Vulnerability from cvelistv5 – Published: 2026-04-27 22:30 – Updated: 2026-04-28 15:15 X_Open Source

Title

aligungr UERANSIM Radio Link Simulation Layer rls_pdu.cpp DecodeRlsMessage uncaught exception

Summary

A vulnerability has been found in aligungr UERANSIM up to 3.2.7. The affected element is the function rls::DecodeRlsMessage in the library src/lib/rls/rls_pdu.cpp of the component Radio Link Simulation Layer. The manipulation of the argument pduLength leads to uncaught exception. The attack may be initiated remotely. Upgrading to version 3.2.8 is sufficient to fix this issue. The identifier of the patch is ca1a66fffe282767bb08618af9f848e3b68ea47b. It is suggested to upgrade the affected component. This behavior is related to CVE-2024-37877. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Severity

6.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

5.3 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-28 15:14 UTC

CWE

CWE-248 - Uncaught Exception

Assigner

VulDB mitre root

References

6 references

URL	Tags
https://vuldb.com/vuln/359784	vdb-entrytechnical-description
https://vuldb.com/vuln/359784/cti	signaturepermissions-required
https://vuldb.com/submit/800026	third-party-advisory
https://github.com/aligungr/UERANSIM/commit/ca1a6…	patch
https://github.com/aligungr/UERANSIM/releases/tag…	patch
https://github.com/aligungr/UERANSIM/	product

Impacted products

1 product

Vendor	Product	Version
aligungr	UERANSIM	Affected: 3.2.0 Affected: 3.2.1 Affected: 3.2.2 Affected: 3.2.3 Affected: 3.2.4 Affected: 3.2.5 Affected: 3.2.6 Affected: 3.2.7 Unaffected: 3.2.8

Credits

0wln3d (VulDB User) VulDB CNA Team

Show details on NVD website

JSON

To clipboard

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CVE-2026-5937 (GCVE-0-2026-5937)

Vulnerability from cvelistv5 – Published: 2026-04-27 11:00 – Updated: 2026-04-27 13:42

Title

Foxit PDF Editor/Reader's insufficient parameter validation leads to denial-of-service vulnerability

Summary

Insufficient parameter verification leads to the occurrence of format errors in files, which will trigger an unhandled "std::invalid_argument" exception, ultimately causing the program to terminate.

Severity

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-27 13:38 UTC

CWE

CWE-248 - Uncaught exception

Assigner

Foxit mitre root

References

1 reference

URL	Tags
https://www.foxit.com/support/security-bulletins.html

Impacted products

2 products

Vendor	Product	Version
Foxit Software Inc.	Foxit PDF Editor	Affected: Versions 2026.1 and earlier Affected: Versions 14.0.3 and earlier Affected: Versions 13.2.3 and earlier
Foxit Software Inc.	Foxit PDF Reader	Affected: Versions 2026.1 and earlier

Credits

CITIVD

Show details on NVD website

JSON

To clipboard

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CVE-2026-2229 (GCVE-0-2026-2229)

Vulnerability from cvelistv5 – Published: 2026-03-12 20:27 – Updated: 2026-09-14 12:04

Title

undici is vulnerable to Unhandled Exception in undici WebSocket Client Due to Invalid server_max_window_bits Validation

Summary

ImpactThe undici WebSocket client is vulnerable to a denial-of-service attack due to improper validation of the server_max_window_bits parameter in the permessage-deflate extension. When a WebSocket client connects to a server, it automatically advertises support for permessage-deflate compression. A malicious server can respond with an out-of-range server_max_window_bits value (outside zlib's valid range of 8-15). When the server subsequently sends a compressed frame, the client attempts to create a zlib InflateRaw instance with the invalid windowBits value, causing a synchronous RangeError exception that is not caught, resulting in immediate process termination. The vulnerability exists because: * The isValidClientWindowBits() function only validates that the value contains ASCII digits, not that it falls within the valid range 8-15 * The createInflateRaw() call is not wrapped in a try-catch block * The resulting exception propagates up through the call stack and crashes the Node.js process

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-03-13 13:06 UTC

CWE

CWE-248 - Uncaught exception
CWE-1284 - Improper validation of specified quantity in input
CWE-248 - Uncaught Exception

Assigner

openjs redhat root

References

24 references

URL	Tags
https://github.com/nodejs/undici/security/advisor…
https://hackerone.com/reports/3487486
https://cna.openjsf.org/security-advisories.html
https://datatracker.ietf.org/doc/html/rfc7692
https://nodejs.org/api/zlib.html#class-zlibinflateraw
https://access.redhat.com/security/cve/CVE-2026-2229	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2447143	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:17789	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7310	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7080	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7675	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7123	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7670	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7983	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7302	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7350	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:34342	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:9742	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:13826	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5807	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:21772	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:21931	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:56431	vendor-advisoryx_refsource_REDHAT

Impacted products

45 products

Vendor	Product	Version
undici	undici	Affected: < 6.24.0; 7.0.0 < 7.24.0 Unaffected: 6.24.0: 7.24.0
Red Hat	Cryostat 4 on RHEL 9	Unaffected: 4.2.0-9 , < * (rpm) cpe:/a:redhat:cryostat:4::el9
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 1:22.22.2-1.el10_1 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.1
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 1:24.14.1-2.el10_1 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.1
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support	Unaffected: 1:22.22.2-2.el10_0 , < * (rpm) cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 8100020260331102257.6d880403 , < * (rpm) cpe:/a:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 8100020260408131901.6d880403 , < * (rpm) cpe:/a:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 9070020260401095228.rhel9 , < * (rpm) cpe:/a:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 9070020260402152654.rhel9 , < * (rpm) cpe:/a:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	Unaffected: 9060020260409121057.rhel9 , < * (rpm) cpe:/a:redhat:rhel_eus:9.6
Red Hat	Cluster Observability Operator 1.5.0	Unaffected: 1782839279 , < * (rpm) cpe:/a:redhat:cluster_observability_operator:1.5::el9
Red Hat	Cluster Observability Operator 1.5.0	Unaffected: 1782840539 , < * (rpm) cpe:/a:redhat:cluster_observability_operator:1.5::el9
Red Hat	Cluster Observability Operator 1.5.0	Unaffected: 1782839996 , < * (rpm) cpe:/a:redhat:cluster_observability_operator:1.5::el9
Red Hat	Red Hat Developer Hub 1.8	Unaffected: 1776784286 , < * (rpm) cpe:/a:redhat:rhdh:1.8::el9
Red Hat	Red Hat Developer Hub 1.9	Unaffected: 1777903262 , < * (rpm) cpe:/a:redhat:rhdh:1.9::el9
Red Hat	Red Hat OpenShift AI 2.16	Unaffected: 1774282136 , < * (rpm) cpe:/a:redhat:openshift_ai:2.16::el8
Red Hat	Red Hat Openshift Data Foundation 4.18	Unaffected: 1786705347 , < * (rpm) cpe:/a:redhat:openshift_data_foundation:4.18::el9
Red Hat	Red Hat Openshift Data Foundation 4.18	Unaffected: 1786706101 , < * (rpm) cpe:/a:redhat:openshift_data_foundation:4.18::el9
Red Hat	Red Hat Openshift Data Foundation 4.18	Unaffected: 1786705558 , < * (rpm) cpe:/a:redhat:openshift_data_foundation:4.18::el9
Red Hat	Red Hat Openshift Data Foundation 4.18	Unaffected: 1786705646 , < * (rpm) cpe:/a:redhat:openshift_data_foundation:4.18::el9
Red Hat	Red Hat Openshift Data Foundation 4.18	Unaffected: 1786706138 , < * (rpm) cpe:/a:redhat:openshift_data_foundation:4.18::el9
Red Hat	Red Hat Openshift Data Foundation 4.18	Unaffected: 1786705741 , < * (rpm) cpe:/a:redhat:openshift_data_foundation:4.18::el9
Red Hat	Red Hat Openshift Data Foundation 4.18	Unaffected: 1786705777 , < * (rpm) cpe:/a:redhat:openshift_data_foundation:4.18::el9
Red Hat	Red Hat Openshift Data Foundation 4.18	Unaffected: 1786705802 , < * (rpm) cpe:/a:redhat:openshift_data_foundation:4.18::el9
Red Hat	Red Hat Openshift Data Foundation 4.18	Unaffected: 1786705938 , < * (rpm) cpe:/a:redhat:openshift_data_foundation:4.18::el9
Red Hat	Red Hat Openshift Data Foundation 4.18	Unaffected: 1786706577 , < * (rpm) cpe:/a:redhat:openshift_data_foundation:4.18::el9
Red Hat	Red Hat Openshift Data Foundation 4.18	Unaffected: 1786706125 , < * (rpm) cpe:/a:redhat:openshift_data_foundation:4.18::el9
Red Hat	Red Hat Openshift Data Foundation 4.18	Unaffected: 1786706177 , < * (rpm) cpe:/a:redhat:openshift_data_foundation:4.18::el9
Red Hat	Red Hat Openshift Data Foundation 4.18	Unaffected: 1786706188 , < * (rpm) cpe:/a:redhat:openshift_data_foundation:4.18::el9
Red Hat	Red Hat Openshift Data Foundation 4.18	Unaffected: 1786706679 , < * (rpm) cpe:/a:redhat:openshift_data_foundation:4.18::el9
Red Hat	Red Hat Openshift Data Foundation 4.18	Unaffected: 1786706357 , < * (rpm) cpe:/a:redhat:openshift_data_foundation:4.18::el9
Red Hat	Red Hat Openshift Data Foundation 4.18	Unaffected: 1786706612 , < * (rpm) cpe:/a:redhat:openshift_data_foundation:4.18::el9
Red Hat	Red Hat Openshift Data Foundation 4.18	Unaffected: 1786706644 , < * (rpm) cpe:/a:redhat:openshift_data_foundation:4.18::el9
Red Hat	Red Hat Openshift Data Foundation 4.18	Unaffected: 1786706659 , < * (rpm) cpe:/a:redhat:openshift_data_foundation:4.18::el9
Red Hat	Red Hat Openshift Data Foundation 4.18	Unaffected: 1786706880 , < * (rpm) cpe:/a:redhat:openshift_data_foundation:4.18::el9
Red Hat	Red Hat OpenShift Dev Spaces 3.28	Unaffected: 1779814592 , < * (rpm) cpe:/a:redhat:openshift_devspaces:3.28::el9
Red Hat	Red Hat OpenShift Pipelines 1.2	Unaffected: 1779910201 , < * (rpm) cpe:/a:redhat:openshift_pipelines:1.20::el9
Red Hat	OpenShift Lightspeed	cpe:/a:redhat:openshift_lightspeed
Red Hat	OpenShift Pipelines	cpe:/a:redhat:openshift_pipelines:1
Red Hat	Red Hat Developer Hub	cpe:/a:redhat:rhdh:1
Red Hat	Red Hat JBoss Enterprise Application Platform 8	cpe:/a:redhat:jboss_enterprise_application_platform:8
Red Hat	Red Hat JBoss Enterprise Application Platform Expansion Pack	cpe:/a:redhat:jbosseapxp
Red Hat	Red Hat OpenShift AI (RHOAI)	cpe:/a:redhat:openshift_ai
Red Hat	Red Hat OpenShift Dev Spaces	cpe:/a:redhat:openshift_devspaces:3
Red Hat	Self-service automation portal 2	cpe:/a:redhat:ansible_portal:2

Credits

Matteo Collina Ulises Gascón Rafael Gonzaga Ethan Arrowood Aisle Research

Show details on NVD website

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          "value": "ImpactThe undici WebSocket client is vulnerable to a denial-of-service attack due to improper validation of the\u00a0server_max_window_bits\u00a0parameter in the permessage-deflate extension. When a WebSocket client connects to a server, it automatically advertises support for permessage-deflate compression. A malicious server can respond with an out-of-range\u00a0server_max_window_bits\u00a0value (outside zlib\u0027s valid range of 8-15). When the server subsequently sends a compressed frame, the client attempts to create a zlib InflateRaw instance with the invalid windowBits value, causing a synchronous RangeError exception that is not caught, resulting in immediate process termination.\n\nThe vulnerability exists because:\n\n  *  The\u00a0isValidClientWindowBits()\u00a0function only validates that the value contains ASCII digits, not that it falls within the valid range 8-15\n  *  The\u00a0createInflateRaw()\u00a0call is not wrapped in a try-catch block\n  *  The resulting exception propagates up through the call stack and crashes the Node.js process"
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          "url": "https://hackerone.com/reports/3487486"
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    "datePublished": "2026-03-12T20:27:05.600Z",
    "dateReserved": "2026-02-08T17:51:16.985Z",
    "dateUpdated": "2026-09-14T12:04:29.461Z",
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CVE-2026-1528 (GCVE-0-2026-1528)

Vulnerability from cvelistv5 – Published: 2026-03-12 20:21 – Updated: 2026-09-14 12:04

Title

undici is vulnerable to Malicious WebSocket 64-bit length overflows undici parser and crashes the client

Summary

ImpactA server can reply with a WebSocket frame using the 64-bit length form and an extremely large length. undici's ByteParser overflows internal math, ends up in an invalid state, and throws a fatal TypeError that terminates the process. Patches Patched in the undici version v7.24.0 and v6.24.0. Users should upgrade to this version or later.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-03-13 13:03 UTC

CWE

CWE-248 - Uncaught exception
CWE-1284 - Improper validation of specified quantity in input
CWE-248 - Uncaught Exception

Assigner

openjs redhat root

References

21 references

URL	Tags
https://github.com/nodejs/undici/security/advisor…
https://hackerone.com/reports/3537648
https://cna.openjsf.org/security-advisories.html
https://access.redhat.com/security/cve/CVE-2026-1528	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2447145	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:17789	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7310	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7080	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7675	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7123	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7670	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7983	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7302	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7350	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:34342	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:9742	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:13826	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:5807	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:21772	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:21931	vendor-advisoryx_refsource_REDHAT

Impacted products

26 products

Vendor	Product	Version
undici	undici	Affected: >= 6.0.0 < 6.24.0; 7.0.0 < 7.24.0 Unaffected: 6.24.0: 7.24.0
Red Hat	Cryostat 4 on RHEL 9	Unaffected: 4.2.0-9 , < * (rpm) cpe:/a:redhat:cryostat:4::el9
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 1:22.22.2-1.el10_1 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.1
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 1:24.14.1-2.el10_1 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.1
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support	Unaffected: 1:22.22.2-2.el10_0 , < * (rpm) cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 8100020260331102257.6d880403 , < * (rpm) cpe:/a:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 8100020260408131901.6d880403 , < * (rpm) cpe:/a:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 9070020260401095228.rhel9 , < * (rpm) cpe:/a:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 9070020260402152654.rhel9 , < * (rpm) cpe:/a:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	Unaffected: 9060020260409121057.rhel9 , < * (rpm) cpe:/a:redhat:rhel_eus:9.6
Red Hat	Cluster Observability Operator 1.5.0	Unaffected: 1782839279 , < * (rpm) cpe:/a:redhat:cluster_observability_operator:1.5::el9
Red Hat	Cluster Observability Operator 1.5.0	Unaffected: 1782840539 , < * (rpm) cpe:/a:redhat:cluster_observability_operator:1.5::el9
Red Hat	Cluster Observability Operator 1.5.0	Unaffected: 1782839996 , < * (rpm) cpe:/a:redhat:cluster_observability_operator:1.5::el9
Red Hat	Red Hat Developer Hub 1.8	Unaffected: 1776784286 , < * (rpm) cpe:/a:redhat:rhdh:1.8::el9
Red Hat	Red Hat Developer Hub 1.9	Unaffected: 1777903262 , < * (rpm) cpe:/a:redhat:rhdh:1.9::el9
Red Hat	Red Hat OpenShift AI 2.16	Unaffected: 1774282136 , < * (rpm) cpe:/a:redhat:openshift_ai:2.16::el8
Red Hat	Red Hat OpenShift Dev Spaces 3.28	Unaffected: 1779814592 , < * (rpm) cpe:/a:redhat:openshift_devspaces:3.28::el9
Red Hat	Red Hat OpenShift Pipelines 1.2	Unaffected: 1779910201 , < * (rpm) cpe:/a:redhat:openshift_pipelines:1.20::el9
Red Hat	OpenShift Lightspeed	cpe:/a:redhat:openshift_lightspeed
Red Hat	OpenShift Pipelines	cpe:/a:redhat:openshift_pipelines:1
Red Hat	Red Hat Developer Hub	cpe:/a:redhat:rhdh:1
Red Hat	Red Hat JBoss Enterprise Application Platform 8	cpe:/a:redhat:jboss_enterprise_application_platform:8
Red Hat	Red Hat JBoss Enterprise Application Platform Expansion Pack	cpe:/a:redhat:jbosseapxp
Red Hat	Red Hat OpenShift AI (RHOAI)	cpe:/a:redhat:openshift_ai
Red Hat	Red Hat OpenShift Dev Spaces	cpe:/a:redhat:openshift_devspaces:3
Red Hat	Self-service automation portal 2	cpe:/a:redhat:ansible_portal:2

Credits

Matteo Collina Ulises Gascón

Show details on NVD website

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}

No mitigation information available for this CWE.

No CAPEC attack patterns related to this CWE.

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