GHSA-f3vw-587g-r29g
Path Traversal in sapper
GHSA-f3vw-587g-r29g is a vulnerability with no CVSS score yet in sapper, published September 3, 2020. No source lists public exploit code. Fixed in sapper 0.27.11.
- Severity
- UnratedNo CVSS score yet
- Exploit chance
- UnscoredNo EPSS score yet
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
0.27.11sapper
Description
Versions of sapper prior to 0.27.11 are vulnerable to Path Traversal. It is possible to access sensitive files on the server through HTTP requests containing URL-encoded ../.
You may test a sapper application running in prod mode with curl -vvv http://localhost:3000/client/750af05c3a69ddc6073a/%252e%252e/%252e%252e/%252e%252e/%252e%252e/%252e%252e/%252e%252e/%252e%252e/%252e%252e/etc/passwd.
Recommendation
Upgrade to version 0.27.11 or later.
Affected packages
| Package | Affected | Fixed |
|---|---|---|
sappernpm | before 0.27.11 | 0.27.11 |
What each source reports
GitHub AdvisoriesNo score
Path Traversal in sapper
Versions of sapper prior to 0.27.11 are vulnerable to Path Traversal. It is possible to access sensitive files on the server through HTTP requests containing URL-encoded ../.
You may test a sapper application running in prod mode with curl -vvv http://localhost:3000/client/750af05c3a69ddc6073a/%252e%252e/%252e%252e/%252e%252e/%252e%252e/%252e%252e/%252e%252e/%252e%252e/%252e%252e/etc/passwd.
Recommendation
Upgrade to version 0.27.11 or later.
- Record
GHSA-f3vw-587g-r29g- Weakness
- CWE-22
- Updated
- 2026-11-02
OSVNo score
Path Traversal in sapper
Versions of sapper prior to 0.27.11 are vulnerable to Path Traversal. It is possible to access sensitive files on the server through HTTP requests containing URL-encoded ../.
You may test a sapper application running in prod mode with curl -vvv http://localhost:3000/client/750af05c3a69ddc6073a/%252e%252e/%252e%252e/%252e%252e/%252e%252e/%252e%252e/%252e%252e/%252e%252e/%252e%252e/etc/passwd.
Recommendation
Upgrade to version 0.27.11 or later.
- Record
GHSA-f3vw-587g-r29g- Weakness
- CWE-22
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | GitHub Advisories, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.