CWE-61
AllowedUNIX Symbolic Link (Symlink) Following
Abstraction: Compound · Status: Incomplete
The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files.
294 vulnerabilities reference this CWE, most recent first.
CVE-2026-55686 (GCVE-0-2026-55686)
Vulnerability from cvelistv5 – Published: 2026-06-26 16:30 – Updated: 2026-06-26 18:31- CWE-61 - UNIX Symbolic Link (Symlink) Following
| URL | Tags |
|---|---|
| https://github.com/podman-container-tools/podman/… | x_refsource_CONFIRM |
| https://github.com/podman-container-tools/podman/… | x_refsource_MISC |
| Vendor | Product | Version | |
|---|---|---|---|
| podman-container-tools | podman |
Affected:
>= 3.0.0, < 5.7.1
|
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CVE-2026-55447 (GCVE-0-2026-55447)
Vulnerability from cvelistv5 – Published: 2026-06-23 16:21 – Updated: 2026-06-24 15:47| URL | Tags |
|---|---|
| https://github.com/langflow-ai/langflow/security/… | x_refsource_CONFIRM |
| https://github.com/langflow-ai/langflow/pull/12945 | x_refsource_MISC |
| Vendor | Product | Version | |
|---|---|---|---|
| langflow-ai | langflow |
Affected:
< 1.9.2
|
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CVE-2026-55168 (GCVE-0-2026-55168)
Vulnerability from cvelistv5 – Published: 2026-08-21 20:31 – Updated: 2026-08-25 17:01| URL | Tags |
|---|---|
| https://github.com/runtipi/runtipi/security/advis… | x_refsource_CONFIRM |
| https://github.com/runtipi/runtipi/pull/2606 | x_refsource_MISC |
| https://github.com/runtipi/runtipi/commit/df529a2… | x_refsource_MISC |
| https://github.com/runtipi/runtipi/releases/tag/v4.10.1 | x_refsource_MISC |
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CVE-2026-54574 (GCVE-0-2026-54574)
Vulnerability from cvelistv5 – Published: 2026-07-29 16:32 – Updated: 2026-07-29 19:24- CWE-61 - UNIX Symbolic Link (Symlink) Following
| URL | Tags |
|---|---|
| https://github.com/termux/proot-distro/security/a… | x_refsource_CONFIRM |
| https://github.com/termux/proot-distro/commit/a96… | x_refsource_MISC |
| https://github.com/termux/proot-distro/releases/t… | x_refsource_MISC |
| Vendor | Product | Version | |
|---|---|---|---|
| termux | proot-distro |
Affected:
< 5.1.5
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CVE-2026-54420 (GCVE-0-2026-54420)
Vulnerability from cvelistv5 – Published: 2026-06-14 03:23 – Updated: 2026-06-16 03:56 X_Known Exploited Vulnerability- CWE-61 - UNIX Symbolic Link (Symlink) Following
| Vendor | Product | Version | |
|---|---|---|---|
| LiteSpeed Technologies | cPanel Plugin |
Affected:
2.3 , < 2.4.8
(custom)
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CVE-2026-53802 (GCVE-0-2026-53802)
Vulnerability from cvelistv5 – Published: 2026-08-13 14:32 – Updated: 2026-08-14 16:50- CWE-61 - UNIX Symbolic Link (Symlink) Following
| URL | Tags |
|---|---|
| https://github.com/RsyncProject/rsync/security/ad… | vendor-advisory |
| https://github.com/RsyncProject/rsync/releases/ta… | release-notes |
| https://www.vulncheck.com/advisories/rsync-arbitr… | third-party-advisory |
| Vendor | Product | Version | |
|---|---|---|---|
| RsyncProject | rsync |
Affected:
0 , ≤ 3.4.4
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CVE-2026-53489 (GCVE-0-2026-53489)
Vulnerability from cvelistv5 – Published: 2026-07-01 18:10 – Updated: 2026-07-02 14:34- CWE-61 - UNIX Symbolic Link (Symlink) Following
| URL | Tags |
|---|---|
| https://github.com/containerd/containerd/security… | x_refsource_CONFIRM |
| Vendor | Product | Version | |
|---|---|---|---|
| containerd | containerd |
Affected:
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CVE-2026-52811 (GCVE-0-2026-52811)
Vulnerability from cvelistv5 – Published: 2026-06-24 20:31 – Updated: 2026-06-26 03:55| URL | Tags |
|---|---|
| https://github.com/gogs/gogs/security/advisories/… | x_refsource_CONFIRM |
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CVE-2026-49248 (GCVE-0-2026-49248)
Vulnerability from cvelistv5 – Published: 2026-06-18 19:54 – Updated: 2026-06-22 14:41- CWE-61 - UNIX Symbolic Link (Symlink) Following
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"x_refsource_CONFIRM"
],
"url": "https://github.com/theonedev/onedev/security/advisories/GHSA-55g8-94r5-cj37"
},
{
"name": "https://github.com/theonedev/onedev/commit/4f8684acebc4bfeefd3c7e23a34a4fd591cb27ad",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/theonedev/onedev/commit/4f8684acebc4bfeefd3c7e23a34a4fd591cb27ad"
}
],
"source": {
"advisory": "GHSA-55g8-94r5-cj37",
"discovery": "UNKNOWN"
},
"title": "OneDev: RCE through absolute-path symlink following allows low-privileged users to overwrite arbitrary server via TarUtils.untar"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-49248",
"datePublished": "2026-06-18T19:54:01.665Z",
"dateReserved": "2026-05-28T14:33:01.178Z",
"dateUpdated": "2026-06-22T14:41:03.763Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-47766 (GCVE-0-2026-47766)
Vulnerability from cvelistv5 – Published: 2026-08-14 16:16 – Updated: 2026-08-14 16:32- CWE-61 - UNIX Symbolic Link (Symlink) Following
| URL | Tags |
|---|---|
| https://github.com/containers/crun/security/advis… | x_refsource_CONFIRM |
| https://github.com/containers/crun/releases/tag/1.28 | x_refsource_MISC |
| Vendor | Product | Version | |
|---|---|---|---|
| containers | crun |
Affected:
< 1.28
|
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-47766",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-14T16:32:07.749164Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T16:32:20.537Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "crun",
"vendor": "containers",
"versions": [
{
"status": "affected",
"version": "\u003c 1.28"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "crun is an open source OCI Container Runtime fully written in C. Prior to version 1.28, crun\u0027s default device setup opens the container rootfs `/dev` directory without `O_NOFOLLOW`. If an OCI bundle contains `rootfs/dev` as a symlink and the bundle configuration does not mount `/dev`, crun follows that symlink and creates the default device nodes and stdio symlinks at the symlink target outside the container rootfs. In a local rootful crun replay, this created fixed device nodes and symlinks outside the rootfs before crun returned failure. A pre-existing file named `ptmx` in the target directory was also replaced by crun\u0027s forced `ptmx -\u003e pts/ptmx` symlink. Version 1.28 fixes the issue."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "LOCAL",
"baseScore": 5.1,
"baseSeverity": "MEDIUM",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "LOW"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-61",
"description": "CWE-61: UNIX Symbolic Link (Symlink) Following",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T16:16:37.525Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/containers/crun/security/advisories/GHSA-7vwr-4279-7gq5",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/containers/crun/security/advisories/GHSA-7vwr-4279-7gq5"
},
{
"name": "https://github.com/containers/crun/releases/tag/1.28",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/containers/crun/releases/tag/1.28"
}
],
"source": {
"advisory": "GHSA-7vwr-4279-7gq5",
"discovery": "UNKNOWN"
},
"title": "crun follows rootfs /dev symlink while creating default devices"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-47766",
"datePublished": "2026-08-14T16:16:37.525Z",
"dateReserved": "2026-05-19T22:36:16.882Z",
"dateUpdated": "2026-08-14T16:32:20.537Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
Mitigation
Symbolic link attacks often occur when a program creates a tmp directory that stores files/links. Access to the directory should be restricted to the program as to prevent attackers from manipulating the files.
Mitigation MIT-48.1
Strategy: Separation of Privilege
- Follow the principle of least privilege when assigning access rights to entities in a software system.
- Denying access to a file can prevent an attacker from replacing that file with a link to a sensitive file. Ensure good compartmentalization in the system to provide protected areas that can be trusted.
CAPEC-27: Leveraging Race Conditions via Symbolic Links
This attack leverages the use of symbolic links (Symlinks) in order to write to sensitive files. An attacker can create a Symlink link to a target file not otherwise accessible to them. When the privileged program tries to create a temporary file with the same name as the Symlink link, it will actually write to the target file pointed to by the attackers' Symlink link. If the attacker can insert malicious content in the temporary file they will be writing to the sensitive file by using the Symlink. The race occurs because the system checks if the temporary file exists, then creates the file. The attacker would typically create the Symlink during the interval between the check and the creation of the temporary file.