Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in rdiffweb
Improper path containment check in ikus060 rdiffweb 7.1.1 allows an authenticated user to cause the browse, restore, history and delete operations to resolve to a path outside the repository being operated on, via a percent-encoded traversal sequence (%2e%2e) in the request path, because the containment check uses a string prefix comparison (startswith) instead of a filesystem path boundary check. The target must be a sibling path whose name begins with the repository path, and the user already hold permissions on it; the issue can mislead a user into operating on, or deleting, data other than the repository displayed
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-109118
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 17:34 UTC · Revision 1
Source evidence
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in rdiffweb
core-osv · Original sourcePublished 16 Oct 2026, 10:27 UTC
Improper path containment check in ikus060 rdiffweb 7.1.1 allows an authenticated user to cause the browse, restore, history and delete operations to resolve to a path outside the repository being operated on, via a percent-encoded traversal sequence (%2e%2e) in the request path, because the containment check uses a string prefix comparison (startswith) instead of a filesystem path boundary check. The target must be a sibling path whose name begins with the repository path, and the user already hold permissions on it; the issue can mislead a user into operating on, or deleting, data other than the repository displayed
osv:CVE-2026-109118
Complete source record
{
"id": "b5f186ae8a4151e10282ccd8ac5c5ff74b1b9c07070cdb922f25328addb7cbae",
"url": "https://osv.dev/vulnerability/CVE-2026-109118",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in rdiffweb",
"summary": "Improper path containment check in ikus060 rdiffweb 7.1.1 allows an authenticated user to cause the browse, restore, history and delete operations to resolve to a path outside the repository being operated on, via a percent-encoded traversal sequence (%2e%2e) in the request path, because the containment check uses a string prefix comparison (startswith) instead of a filesystem path boundary check. The target must be a sibling path whose name begins with the repository path, and the user already hold permissions on it; the issue can mislead a user into operating on, or deleting, data other than the repository displayed",
"evidence": "osv:CVE-2026-109118",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2026-109118",
"aliases": [
"CVE-2026-109118"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://gitlab.com/ikus-soft/rdiffweb",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "86404d9ea93c2ced96c59be35279525ace1e29d9"
},
{
"fixed": "04b7096566811feb7d782e38560b44044fa91a29"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "7.1.1"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"fixed": "04b7096566811feb7d782e38560b44044fa91a29"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"7.1.0",
"7.1.0b3",
"7.0.1",
"7.0.0",
"7.0.0b8",
"7.0.0b7",
"7.0.0b6",
"7.0.0b5",
"7.0.0b3",
"7.0.0b2",
"7.0.0b1",
"7.0.0a1",
"2.12.0b1",
"2.11.5",
"2.11.4",
"2.11.3",
"2.11.2",
"2.11.1",
"2.11.0b5",
"2.11.0",
"2.11.0b4",
"2.11.0b3",
"2.11.0b2",
"2.11.0b1",
"2.10.5",
"2.10.4",
"2.9.5",
"2.9.4",
"2.9.3",
"2.9.2",
"2.9.1",
"2.8.9",
"2.8.8",
"2.8.7",
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"2.8.5",
"2.8.4",
"2.8.3",
"2.8.2",
"2.8.1",
"2.8.0",
"2.7.1",
"2.7.0",
"2.6.1",
"2.6.0",
"2.5.6",
"2.5.5",
"2.5.4",
"2.5.3",
"2.5.2",
"2.5.1",
"2.5.0",
"2.4.0",
"2.3.9",
"2.3.8",
"2.3.7",
"2.3.6",
"2.3.4",
"2.3.3",
"2.3.2",
"2.3.1",
"2.3.0",
"2.2.1",
"2.1.0",
"2.0.2",
"2.0.1",
"2.0.0",
"1.5.0",
"1.4.0",
"1.3.2",
"1.3.1",
"1.3.0",
"1.2.2",
"1.2.1",
"1.2.0",
"1.1.0",
"1.0.3",
"1.0.2",
"1.0.1",
"1.0.0",
"0.10.9",
"0.10.8",
"0.10.7",
"0.10.6",
"0.10.5",
"0.10.4",
"0.10.2",
"0.10.0",
"0.9.5",
"0.9.3",
"0.9.2",
"0.9.1",
"0.8.1",
"v0.7.0",
"0.7.0",
"v0.6.5",
"v0.6.4"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-109118.json"
}
}
],
"modified": "2026-10-28T02:30:37.841697075Z",
"provider": "osv",
"references": [
"https://gitlab.com/ikus-soft/rdiffweb/-/work_items/392",
"https://gitlab.com/ikus-soft/rdiffweb/-/work_items/393",
"https://gitlab.com/ikus-soft/rdiffweb/-/work_items/394",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109118.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-109118",
"https://gitlab.com/ikus-soft/rdiffweb/-/commit/04b7096566811feb7d782e38560b44044fa91a29",
"https://gitlab.com/ikus-soft/rdiffweb"
],
"provider_metadata": {
"cwe_ids": [
"CWE-22"
],
"cna_assigner": "GitLab",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109118.json"
}
},
"related_cves": [
{
"value": "CVE-2026-109118",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 505365,
"published_at": "2026-10-16T10:27:18.156+00:00"
}