CVE-2026-21436
eopkg has Path Traversal: '../filedir' vulnerability
eopkg is a Solus package manager implemented in python3. In versions prior to 4.4.0, a malicious package could escape the directory set by --destdir. This requires the installation of a package from a malicious or compromised source. Files in such packages would not be installed in the path given by --destdir, but on a different location on the host. The issue has been fixed in v4.4.0. Users only installing packages from the Solus repositories are not affected.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Active
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
5.8
eopkg has Path Traversal: '../filedir' vulnerability
eopkg is a Solus package manager implemented in python3. In versions prior to 4.4.0, a malicious package could escape the directory set by --destdir. This requires the installation of a package from a malicious or compromised source. Files in such packages would not be installed in the path given by --destdir, but on a different location on the host. The issue has been fixed in v4.4.0. Users only installing packages from the Solus repositories are not affected.
- Record
CVE-2026-21436- CVSS 4.0
- 5.8 Medium
CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:N/VI:H/VA:N/SC:N/SI:H/SA:H - Weakness
- CWE-24
- Updated
- 2026-11-02
EUVDEUVD-2026-0025
5.8
eopkg is a Solus package manager implemented in python3. In versions prior to 4.4.0, a malicious package could escape the directory set by --destdir. This requires the installation of a package from a malicious or compromised source. Files in such packages would not be installed in the path given by --destdir, but on a different location on the host. The issue has been fixed in v4.4.0. Users only installing packages from the Solus repositories are not affected.
- Record
EUVD-2026-0025- CVSS 4.0
- 5.8 Medium
CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:N/VI:H/VA:N/SC:N/SI:H/SA:H - Updated
- 2026-11-02
NVD
5.8
eopkg is a Solus package manager implemented in python3. In versions prior to 4.4.0, a malicious package could escape the directory set by --destdir. This requires the installation of a package from a malicious or compromised source. Files in such packages would not be installed in the path given by --destdir, but on a different location on the host. The issue has been fixed in v4.4.0. Users only installing packages from the Solus repositories are not affected.
- Record
CVE-2026-21436- CVSS 4.0
- 5.8 Medium
CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:N/VI:H/VA:N/SC:N/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - Weakness
- CWE-24
- Updated
- 2026-11-02
OSV
5.8
eopkg has Path Traversal: '../filedir' vulnerability
eopkg is a Solus package manager implemented in python3. In versions prior to 4.4.0, a malicious package could escape the directory set by --destdir. This requires the installation of a package from a malicious or compromised source. Files in such packages would not be installed in the path given by --destdir, but on a different location on the host. The issue has been fixed in v4.4.0. Users only installing packages from the Solus repositories are not affected.
- Record
CVE-2026-21436- CVSS 4.0
- 5.8 Medium
CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:N/VI:H/VA:N/SC:N/SI:H/SA:H - Weakness
- CWE-24
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | osmancanvural/CVE-2026-21436 | 2026-01-01 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-21436 is a medium vulnerability (CVSS 5.8) in Getsol Eopkg, published January 1, 2026. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 21st percentile. No source names a fixed version.
References
github.com/getsolus/eopkg/security/advisories/GHSA-786v-47cq-qm6m
github.com/getsolus/eopkg/pull/201
github.com/getsolus/eopkg/commit/e7694323ed64e08b5b4b108fff273c64125cd39d
github.com/getsolus/eopkg/releases/tag/v4.4.0
github.com/CVEProject/cvelistV5/tree/main/cves/2026/21xxx/CVE-2026-21436.json
nvd.nist.gov/vuln/detail/CVE-2026-21436