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

Quick assessment

Affected
elixir-tesla tesla
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Tesla（特斯拉）是美国特斯拉（Tesla）公司的一款电动汽车。 tesla 1.3.0版本至1.18.3之前版本存在安全漏洞，该漏洞源于Tesla.Adapter.Mint未限制资源分配，可能导致通过原子表耗尽造成拒绝服务。

AI Predicted 7.5 Difficulty: Easy EPSS 0.35% · P28

Affected Version Matrix 2

VendorProduct Version RangeStatus
elixir-tesla tesla 1.3.0< 1.18.3 affected
ccd0823d4ba37581a37d8f6108f9a81b263237ef< 4699c3cb3e2fd6078f99f45f11cf7466aeedbf0e affected
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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: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
Tesla 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tesla（特斯拉）是美国特斯拉（Tesla）公司的一款电动汽车。 tesla 1.3.0版本至1.18.3之前版本存在安全漏洞，该漏洞源于Tesla.Adapter.Mint未限制资源分配，可能导致通过原子表耗尽造成拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
elixir-tesla tesla 1.3.0 ~ 1.18.3 cpe:2.3:a:elixir-tesla:tesla:*:*:*:*:*:*:*:*
elixir-tesla tesla 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-2026-48598 CRLF injection in Tesla.Multipart disposition parameters allows multipart part header inje
CVE-2026-48594 Decompression bomb in Tesla.Middleware.DecompressResponse and Tesla.Middleware.Compression
CVE-2026-48596 CRLF injection in Tesla.Multipart.add_content_type_param/2 allows HTTP header injection
CVE-2026-48595 Authorization 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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