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CVE-2026-48597— Atom table exhaustion via untrusted URL scheme in Tesla.Adapter.Mint

AI Predicted 7.5 Difficulty: Easy

Affected Version Matrix 2

VendorProductVersion RangeStatus
elixir-teslatesla1.3.0< 1.18.3affected
ccd0823d4ba37581a37d8f6108f9a81b263237ef< 4699c3cb3e2fd6078f99f45f11cf7466aeedbf0eaffected
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I. Basic Information for CVE-2026-48597

Vulnerability Information
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Vulnerability Title
Atom table exhaustion via untrusted URL scheme in Tesla.Adapter.Mint
Source: NVD (National Vulnerability Database)
Vulnerability Description
Allocation of Resources Without Limits or Throttling vulnerability in elixir-tesla tesla allows denial of service via atom table exhaustion in Tesla.Adapter.Mint. Tesla.Adapter.Mint.open_conn/2 converts the URL scheme of every outgoing request to a BEAM atom via String.to_atom(uri.scheme) with no allow-list validation. BEAM atoms are never garbage-collected and the atom table is bounded (approximately 1,048,576 entries by default). An attacker who can influence the URL of a Tesla request — either via an application-level URL-forwarding feature (webhook, proxy, importer) or via a Location header returned by a server when Tesla.Middleware.FollowRedirects is in the pipeline — can mint one fresh permanent atom per request by varying the scheme string. After enough requests the atom table fills and the VM crashes, taking down the entire application. This issue affects tesla: from 1.3.0 before 1.18.3.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
不加限制或调节的资源分配
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
elixir-teslatesla 1.3.0 ~ 1.18.3 cpe:2.3:a:elixir-tesla:tesla:*:*:*:*:*:*:*:*
elixir-teslatesla ccd0823d4ba37581a37d8f6108f9a81b263237ef ~ 4699c3cb3e2fd6078f99f45f11cf7466aeedbf0e cpe:2.3:a:elixir-tesla:tesla:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-48597

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III. Intelligence Information for CVE-2026-48597

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Patches & Fixes for CVE-2026-48597 (1)

Vendor Advisories for CVE-2026-48597 (3)

Same Patch Batch · elixir-tesla · 2026-06-02 · 5 CVEs total

CVE-2026-48598CRLF injection in Tesla.Multipart disposition parameters allows multipart part header inje
CVE-2026-48594Decompression bomb in Tesla.Middleware.DecompressResponse and Tesla.Middleware.Compression
CVE-2026-48596CRLF injection in Tesla.Multipart.add_content_type_param/2 allows HTTP header injection
CVE-2026-48595Authorization header leaks to third-party origin on cross-origin redirect in Tesla.Middlew

IV. Related Vulnerabilities

Same product: tesla
Same vendor: elixir-tesla
Same weakness: CWE-770

V. Comments for CVE-2026-48597

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