High
Security advisory
nextcloud news-android is an Android client for the Nextcloud news/feed reader app. In affected versions the Nextcloud News for Android app has a security issue by which a malicious application installed on the same device can send it an arbitrary Intent that gets reflected back, unintentionally giving read and write access to non-exported Content Providers in Nextcloud News for Android. Users should upgrade to version 0.9.9.63 or higher as soon as possible.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-41256
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:52 UTC · Revision 1
Source evidence
nextcloud news-android is an Android client for the Nextcloud news/feed reader app. In affected versions the Nextcloud News for Android app has a security issue by which a malicious application installed on the same device can send it an arbitrary Intent that gets reflected back, unintentionally giving read and write access to non-exported Content Providers in Nextcloud News for Android. Users should upgrade to version 0.9.9.63 or higher as soon as possible.
osv:CVE-2021-41256
Complete source record
{
"id": "289b96c9f1331fd48ea12e27ed78bd584f585f5a5f490bfae6448af6f3af90dc",
"url": "https://osv.dev/vulnerability/CVE-2021-41256",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-41256",
"summary": "nextcloud news-android is an Android client for the Nextcloud news/feed reader app. In affected versions the Nextcloud News for Android app has a security issue by which a malicious application installed on the same device can send it an arbitrary Intent that gets reflected back, unintentionally giving read and write access to non-exported Content Providers in Nextcloud News for Android. Users should upgrade to version 0.9.9.63 or higher as soon as possible.",
"evidence": "osv:CVE-2021-41256",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2021-41256",
"aliases": [
"CVE-2021-41256",
"GHSA-2q9v-q3cc-h9f3"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/nextcloud/news-android",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "f922eccbb66539c481b8c2f6ca6ca796c6e41470"
},
{
"fixed": "05449cb666059af7de2302df9d5c02997a23df85"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:nextcloud:news:*:*:*:*:*:android:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "0.9.9.63"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "05449cb666059af7de2302df9d5c02997a23df85"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"v.0.9.9.62",
"v.0.9.9.61",
"v.0.9.9.60",
"v.0.9.9.50",
"v.0.9.9.38",
"v.0.9.9.40",
"v.0.9.9.36",
"v.0.9.9.35",
"v0.9.9.35",
"v.0.9.9.34",
"v.0.9.9.33",
"v.0.9.9.32",
"v.0.9.9.31",
"v.0.9.9.26",
"v.0.9.9.25",
"v.0.9.9.24",
"v.0.9.9.23",
"v.0.9.9.22",
"v.0.9.9.21",
"v.0.9.9.20",
"0.9.9.19.2",
"0.9.9.19.1",
"0.9.9.19",
"v.0.9.9.18",
"v.0.9.9.17.1",
"v.0.9.9.16.1",
"v.0.9.9.16",
"v.0.9.9.15",
"v.0.9.9.13",
"v.0.9.9.12",
"v.0.9.9.11-1",
"v.0.9.9.11",
"v.0.9.9.10",
"v.0.9.9.9.1",
"v.0.9.9.9",
"v.0.9.9.8",
"v.0.9.9.7",
"v.0.9.9.6",
"v.0.9.9.4",
"v.0.9.9.3",
"v.0.9.9.2",
"v.0.9.9.1",
"v.0.9.9.0",
"v.0.9.8.7",
"v.0.9.8.5",
"v.0.9.8.3.1",
"v.0.9.8.4",
"v.0.9.8.3",
"v.0.9.8.2",
"v.0.9.8.1",
"v.0.9.8",
"v.0.9.7.6",
"v.0.9.7.5",
"v.0.9.7.4",
"v.0.9.7.3",
"v.0.9.7.2",
"v.0.9.7",
"v.0.9.6.3",
"v.0.9.6.1",
"v.0.9.5.2",
"v.0.9.5",
"v.0.9.4",
"v.0.9.3",
"v.0.9.1",
"v.0.9.0",
"v.0.8.8",
"v.0.8.4.5",
"v.0.8.4",
"v.0.7.7",
"v.0.7.5",
"v.0.7.4",
"v0.6.9.5",
"v0.6.1",
"v0.5.8",
"v0.5.5",
"v0.5.4",
"0.5.2",
"0.4.10"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-41256.json",
"vanir_signatures": [
{
"id": "CVE-2021-41256-086eb739",
"digest": {
"length": 232,
"function_hash": "183887114535149891496406221583401254673"
},
"source": "https://github.com/nextcloud/news-android/commit/05449cb666059af7de2302df9d5c02997a23df85",
"target": {
"file": "News-Android-App/src/main/java/de/luhmer/owncloudnewsreader/SettingsActivity.java",
"function": "onStart"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2021-41256-689aa7be",
"digest": {
"threshold": 0.9,
"line_hashes": [
"141899385168248940446685660758705924838",
"244800978941046954149367307266398676863",
"41877304982036598563008459777714313541",
"223744863353862852000523696365314266473",
"138996754888375792500225206719808347359"
]
},
"source": "https://github.com/nextcloud/news-android/commit/05449cb666059af7de2302df9d5c02997a23df85",
"target": {
"file": "News-Android-App/src/main/java/de/luhmer/owncloudnewsreader/NewsReaderListActivity.java"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
},
{
"id": "CVE-2021-41256-8e024e22",
"digest": {
"threshold": 0.9,
"line_hashes": [
"328720867049808911310887293039361054237",
"246127741562763585146183644876302088144",
"257430442476808139659176132883107624348",
"107640139098688655158529121404005807354",
"170700116984773881292723086793174605089",
"117044961784804718645526061331268291071",
"39289828861905501262119063348073410471",
"215370200594388182429856189135917507316",
"174792718961590291071637339996378945656",
"118603621017998757521845547991632654432",
"85947836952222263266391953995227713637",
"257175738044056229855623847545481850020",
"120051494547413059793071454612840193226",
"262385101131883859647873674044083162894",
"89403782932651429855727681373668143383",
"227860104627328427109797985642790337331"
]
},
"source": "https://github.com/nextcloud/news-android/commit/05449cb666059af7de2302df9d5c02997a23df85",
"target": {
"file": "News-Android-App/src/main/java/de/luhmer/owncloudnewsreader/SettingsActivity.java"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
},
{
"id": "CVE-2021-41256-d0ebe808",
"digest": {
"length": 388,
"function_hash": "132466537335342017437744983732951521615"
},
"source": "https://github.com/nextcloud/news-android/commit/05449cb666059af7de2302df9d5c02997a23df85",
"target": {
"file": "News-Android-App/src/main/java/de/luhmer/owncloudnewsreader/NewsReaderListActivity.java",
"function": "ensureCorrectTheme"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
}
],
"vanir_signatures_modified": "2026-10-20T14:28:18Z"
}
}
],
"modified": "2026-10-20T14:28:18.791249657Z",
"provider": "osv",
"references": [
"https://github.com/nextcloud/news-android/commit/05449cb666059af7de2302df9d5c02997a23df85",
"https://github.com/nextcloud/news-android/security/advisories/GHSA-2q9v-q3cc-h9f3",
"https://github.com/nextcloud/news-android/blob/master/security/GHSL-2021-1033_Nextcloud_News_for_Android.md"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-41256",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 389039,
"published_at": "2021-11-30T21:15:08.227+00:00"
}