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CVE-2015-2296: The resolve_redirects function in sessions.py in requests 2.1.0 through 2.5.3 allows remote attackers to co...

The resolve_redirects function in sessions.py in requests 2.1.0 through 2.5.3 allows remote attackers to conduct session fixation attacks via a cookie without a host value in a redirect.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2015-2296 affects the Python requests library versions 2.1.0 through 2.5.3. A malicious redirect could set a cookie without a host value, creating a session fixation risk. This is most relevant where applications follow redirects and rely on requests-managed cookies for authenticated or sensitive flows. Exposure is likely limited to Python applications or tooling using requests 2.1.0 through 2.5.3 with redirects and cookie persistence enabled. Systems using distro packages from affected-era Fedora, Ubuntu, Mandriva, or Mageia should verify backported fixes. Treat as a targeted dependency hygiene issue, not an emergency absent evidence of exploitation. Prioritize systems using old Python stacks for authenticated integrations, API clients, or automation that stores session cookies. Mitigation focus: Upgrade requests outside versions 2.1.0 through 2.5.3, following vendor guidance.; Apply distribution security updates from Ubuntu, Fedora, Mandriva, or Mageia where applicable.; Review applications that persist requests sessions across redirects and authentication boundaries..

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Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors
0Timeline events
0ADP providers
3Source links

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Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

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