CVE-2023-29159: encode starlette Path Traversal
CVSS: 7.5v3.1HighModified
AliasesGHSA-v5gw-mw7f-84pxPYSEC-2023-83UBUNTU-CVE-2023-29159DEBIAN-CVE-2023-29159
Published 01-06-2023Last modified 09-01-2025
Vulnerability summary
CVE-2023-29159 is a high (CVSS 7.5) Path Traversal vulnerability in encode starlette. EPSS estimates a 2.05% chance of exploitation in the next 30 days, higher than 80.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
2.05%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 01-06-2023PublishedVulnerability first disclosed.
- 09-01-2025Last modifiedVulnerability information updated.
Description
Directory traversal vulnerability in Starlette versions 0.13.5 and later and prior to 0.27.0 allows a remote unauthenticated attacker to view files in a web service which was built using Starlette.
CVSS metrics
6 scores · 5 sources · 2 versionsMedium 6.3Preferred score · OSV · Pypi (Ecosystem advisory) · calculated from vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:NSourcesSingle source
High 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NSources5 sources · 3.7–7.5
- OSV · PypiEcosystem advisory · calculated3.7LowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:NDiffers
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
2.05%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
0.00 pp
From 2.05% on 19-09-2026
19-09-202619-10-2026
EPSS score2.05%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundStarlette
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian1 product
- starlette< 0.26.1-1+deb12u1 | < 0.28.0-1
Encode1 product
- starletteversions 0.13.5 and later and prior to 0.27.0 | ≥ 0.13.5, < 0.27.0
PyPI1 product
- starlette≥ 0.13.5, < 0.27.0
Ubuntu1 product
- starletteAll versions (No fix recorded)
4 vendors · 4 products
References
12 links- github.com/encode/starlette/security/advisories/GHSA-v5gw-mw7f-84pxWEBAdvisoryREPORTExploitVendor Advisory
- github.com/encode/starlettePACKAGE
