CVE Explorer
CVE-2026-13346
pip would incorrectly handle doubly-encoded package URLs from indexes allowing for files to be installed to arbitrary locations on disk even when installing wheels.
This vulnerability requires downloading or installing a package from a malicious package index to succeed, malicious packages alone are not able to exploit this vulnerability. Note that this vulnerability only materially impacts users running `pip download` with the `--only-binary` option as installing source distributions from a
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"collectionURL":"https://pypi.org/project/pip","defaultStatus":"unaffected","product":"pip","repo":"https://github.com/pypa/pip","vendor":"Python Packaging Authority","versions":[{"lessThan":"26.2","status":"affected","version":"0","versionType":"python"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:7759db056d544c2377d854a729ba0263bcd35422bfca88621c5e056307726738 · sha256:ff2b72335fde58ee… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":5.6,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"ACTIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityI…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:7759db056d544c2377d854a729ba0263bcd35422bfca88621c5e056307726738 · sha256:ff2b72335fde58ee… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-36","description":"CWE-36 Absolute path traversal","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:7759db056d544c2377d854a729ba0263bcd35422bfca88621c5e056307726738 · sha256:ff2b72335fde58ee… · /containers/cna/problemTypes/0/descriptions/0
Source references
3 source assertions{"url":"http://www.openwall.com/lists/oss-security/2026/07/29/7"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:7759db056d544c2377d854a729ba0263bcd35422bfca88621c5e056307726738 · sha256:ff2b72335fde58ee… · /containers/adp/1/references/0
{"tags":["patch"],"url":"https://github.com/pypa/pip/pull/14110"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:7759db056d544c2377d854a729ba0263bcd35422bfca88621c5e056307726738 · sha256:ff2b72335fde58ee… · /containers/cna/references/0
{"tags":["vendor-advisory"],"url":"https://mail.python.org/archives/list/security-announce@python.org/thread/L2BNQGGVQCEV7DROOORQ7WFKKFF2OOQX/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:7759db056d544c2377d854a729ba0263bcd35422bfca88621c5e056307726738 · sha256:ff2b72335fde58ee… · /containers/cna/references/1
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.