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Vulnerability details: VCID-aqqd-thbn-byaf
Vulnerability ID VCID-aqqd-thbn-byaf
Aliases CVE-2026-1839
GHSA-69w3-r845-3855
Summary transformers: HuggingFace Transformers: Arbitrary code execution via malicious checkpoint file
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-502 Deserialization of Untrusted Data
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3 6.7 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-1839.json
epss 0.00023 https://api.first.org/data/v1/epss?cve=CVE-2026-1839
cvssv3.1 6.5 https://github.com/huggingface/transformers
generic_textual MODERATE https://github.com/huggingface/transformers
cvssv3 6.5 https://github.com/huggingface/transformers/commit/03c8082ba4594c9b8d6fe190ca9bed0e5f8ca396
cvssv3.1 6.5 https://github.com/huggingface/transformers/commit/03c8082ba4594c9b8d6fe190ca9bed0e5f8ca396
generic_textual MODERATE https://github.com/huggingface/transformers/commit/03c8082ba4594c9b8d6fe190ca9bed0e5f8ca396
ssvc Track* https://github.com/huggingface/transformers/commit/03c8082ba4594c9b8d6fe190ca9bed0e5f8ca396
cvssv3.1 6.5 https://github.com/huggingface/transformers/releases/tag/v5.0.0rc3
generic_textual MODERATE https://github.com/huggingface/transformers/releases/tag/v5.0.0rc3
cvssv3 6.5 https://huntr.com/bounties/3c77bb97-e493-493d-9a88-c57f5c536485
cvssv3.1 6.5 https://huntr.com/bounties/3c77bb97-e493-493d-9a88-c57f5c536485
generic_textual MODERATE https://huntr.com/bounties/3c77bb97-e493-493d-9a88-c57f5c536485
ssvc Track* https://huntr.com/bounties/3c77bb97-e493-493d-9a88-c57f5c536485
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2026-1839
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2026-1839
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-1839.json
https://api.first.org/data/v1/epss?cve=CVE-2026-1839
https://github.com/huggingface/transformers
https://github.com/huggingface/transformers/commit/03c8082ba4594c9b8d6fe190ca9bed0e5f8ca396
https://github.com/huggingface/transformers/releases/tag/v5.0.0rc3
https://huntr.com/bounties/3c77bb97-e493-493d-9a88-c57f5c536485
https://nvd.nist.gov/vuln/detail/CVE-2026-1839
2455854 https://bugzilla.redhat.com/show_bug.cgi?id=2455854
GHSA-69w3-r845-3855 https://github.com/advisories/GHSA-69w3-r845-3855
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-1839.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:H Found at https://github.com/huggingface/transformers
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:H Found at https://github.com/huggingface/transformers/commit/03c8082ba4594c9b8d6fe190ca9bed0e5f8ca396
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

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Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:H Found at https://github.com/huggingface/transformers/commit/03c8082ba4594c9b8d6fe190ca9bed0e5f8ca396
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

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Vector: SSVCv2/E:P/A:N/T:T/P:M/B:A/M:M/D:R/2026-04-07T13:27:38Z/ Found at https://github.com/huggingface/transformers/commit/03c8082ba4594c9b8d6fe190ca9bed0e5f8ca396
Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:H Found at https://github.com/huggingface/transformers/releases/tag/v5.0.0rc3
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

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Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:H Found at https://huntr.com/bounties/3c77bb97-e493-493d-9a88-c57f5c536485
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

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Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:H Found at https://huntr.com/bounties/3c77bb97-e493-493d-9a88-c57f5c536485
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

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none

required

unchanged

changed

high

low

none

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low

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Vector: SSVCv2/E:P/A:N/T:T/P:M/B:A/M:M/D:R/2026-04-07T13:27:38Z/ Found at https://huntr.com/bounties/3c77bb97-e493-493d-9a88-c57f5c536485
Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2026-1839
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

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required

unchanged

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Exploit Prediction Scoring System (EPSS)
Percentile 0.06746
EPSS Score 0.00023
Published At June 5, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-04T16:31:26.114722+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-1839.json 38.6.0