CVE-2026-42931 - Vulnerability Details - OpenCVE

Denial of Service via Unbounded io.ReadAll in NPM Package Tag Endpoint

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact partial

Vendors	Products
Gitea	Gitea Open Source Git Server

No data.

No data.

References

Link	Providers
https://blog.gitea.com/gitea-1.27.0-is-released/
https://github.com/go-gitea/gitea/releases/tag/v1.27.0
https://github.com/go-gitea/gitea/security/advisories/GHSA-wwqq-x6w4-frm2

History

Thu, 13 Aug 2026 20:30:00 +0000

Type	Values Removed	Values Added
Metrics		cvssV3_1 `{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Thu, 13 Aug 2026 19:30:00 +0000

Type	Values Removed	Values Added
First Time appeared		Gitea Gitea gitea Open Source Git Server
Vendors & Products		Gitea Gitea gitea Open Source Git Server

Thu, 13 Aug 2026 17:00:00 +0000

Type	Values Removed	Values Added
Description		Denial of Service via Unbounded io.ReadAll in NPM Package Tag Endpoint
Title		Denial of Service via Unbounded io.ReadAll in NPM Package Tag Endpoint
Weaknesses		CWE-770
References		https://blog.gitea.com/gitea-1.27.0-is-released/ https://github.com/go-gitea/gitea/releases/tag/v1.27.0 https://github.com/go-gitea/gitea/security/advisories/GHSA-wwqq-x6w4-frm2

MITRE

Status: PUBLISHED

Assigner: Gitea

Published: 2026-08-13T16:44:38.891Z

Updated: 2026-08-13T19:28:56.414Z

Reserved: 2026-07-08T09:19:08.767Z

Link: CVE-2026-42931

Vulnrichment

Updated: 2026-08-13T19:28:14.476Z

NVD

Status : Deferred

Published: 2026-08-13T17:17:22.180

Modified: 2026-08-26T16:53:48.300

Link: CVE-2026-42931

Redhat

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-42931", "assignerOrgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "state": "PUBLISHED", "assignerShortName": "Gitea", "dateReserved": "2026-07-08T09:19:08.767Z", "datePublished": "2026-08-13T16:44:38.891Z", "dateUpdated": "2026-08-13T19:28:56.414Z"}, "containers": {"cna": {"title": "Denial of Service via Unbounded io.ReadAll in NPM Package Tag Endpoint", "descriptions": [{"lang": "en", "value": "Denial of Service via Unbounded io.ReadAll in NPM Package Tag Endpoint"}], "affected": [{"vendor": "Gitea", "product": "Gitea Open Source Git Server", "versions": [{"version": "0", "lessThanOrEqual": "1.24", "status": "affected", "versionType": "semver"}], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"cweId": "CWE-770", "description": "CWE-770", "lang": "en", "type": "CWE"}]}], "references": [{"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-wwqq-x6w4-frm2", "name": "GitHub Security Advisory", "tags": ["vendor-advisory"]}, {"url": "https://github.com/go-gitea/gitea/releases/tag/v1.27.0", "name": "Gitea v1.27.0 Release", "tags": ["release-notes"]}, {"url": "https://blog.gitea.com/gitea-1.27.0-is-released/", "name": "Gitea v1.27.0 Release Blog Post", "tags": ["release-notes"]}], "providerMetadata": {"orgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "shortName": "Gitea", "dateUpdated": "2026-08-13T16:44:38.891Z"}, "credits": [{"lang": "en", "value": "Tricta", "type": "reporter"}], "x_generator": {"engine": "cvelib 1.8.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-08-13T19:28:32.143190Z", "id": "CVE-2026-42931", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-13T19:28:56.414Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-42931", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-13T19:28:32.143190Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-13T19:28:14.476Z"}}], "cna": {"title": "Denial of Service via Unbounded io.ReadAll in NPM Package Tag Endpoint", "credits": [{"lang": "en", "type": "reporter", "value": "Tricta"}], "affected": [{"vendor": "Gitea", "product": "Gitea Open Source Git Server", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "1.24"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-wwqq-x6w4-frm2", "name": "GitHub Security Advisory", "tags": ["vendor-advisory"]}, {"url": "https://github.com/go-gitea/gitea/releases/tag/v1.27.0", "name": "Gitea v1.27.0 Release", "tags": ["release-notes"]}, {"url": "https://blog.gitea.com/gitea-1.27.0-is-released/", "name": "Gitea v1.27.0 Release Blog Post", "tags": ["release-notes"]}], "x_generator": {"engine": "cvelib 1.8.0"}, "descriptions": [{"lang": "en", "value": "Denial of Service via Unbounded io.ReadAll in NPM Package Tag Endpoint"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-770", "description": "CWE-770"}]}], "providerMetadata": {"orgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "shortName": "Gitea", "dateUpdated": "2026-08-13T16:44:38.891Z"}}}, "cveMetadata": {"cveId": "CVE-2026-42931", "state": "PUBLISHED", "dateUpdated": "2026-08-13T19:28:56.414Z", "dateReserved": "2026-07-08T09:19:08.767Z", "assignerOrgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "datePublished": "2026-08-13T16:44:38.891Z", "assignerShortName": "Gitea"}, "dataVersion": "5.2"}