Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-54499

Stanza is a Stanford NLP Python library for tokenization, sentence segmentation, NER, and parsing of many human languages. Prior to 1.12.2, Stanza model loaders such as stanza.models.common.pretrain.Pretrain.load() attempt torch.load(..., weights_only=True) but fall back to torch.load(..., weights_only=False) on attacker-controllable pickle.UnpicklingError, allowing a malicious .pt pretrain or model file to execute arbitrary pickle code when a Stanza NLP pipeline loads it. This issue is fixed in
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:57b56ddd395ef44932b60aab44afa2264944e207ddf53933215739410097e9a4
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-502","description":"CWE-502: Deserialization of Untrusted Data","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:001650d6ba213b5f0e2b17ee5df56fe96e26b90d9b22ff5450bce9cbfb3aeeea · sha256:514c56e5524e5f1e… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-676","description":"CWE-676: Use of Potentially Dangerous Function","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:001650d6ba213b5f0e2b17ee5df56fe96e26b90d9b22ff5450bce9cbfb3aeeea · sha256:514c56e5524e5f1e… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"stanza","vendor":"stanfordnlp","versions":[{"status":"affected","version":"< 1.12.2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:001650d6ba213b5f0e2b17ee5df56fe96e26b90d9b22ff5450bce9cbfb3aeeea · sha256:514c56e5524e5f1e… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:001650d6ba213b5f0e2b17ee5df56fe96e26b90d9b22ff5450bce9cbfb3aeeea · sha256:514c56e5524e5f1e… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-502","description":"CWE-502: Deserialization of Untrusted Data","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:001650d6ba213b5f0e2b17ee5df56fe96e26b90d9b22ff5450bce9cbfb3aeeea · sha256:514c56e5524e5f1e… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-676","description":"CWE-676: Use of Potentially Dangerous Function","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:001650d6ba213b5f0e2b17ee5df56fe96e26b90d9b22ff5450bce9cbfb3aeeea · sha256:514c56e5524e5f1e… · /containers/cna/problemTypes/1/descriptions/0

Source references

5 source assertions
{"name":"https://github.com/stanfordnlp/stanza/commit/b745008c68c9e50ccb5acd537cb6f2453f8b7ad4","tags":["x_refsource_MISC"],"url":"https://github.com/stanfordnlp/stanza/commit/b745008c68c9e50ccb5acd537cb6f2453f8b7ad4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:001650d6ba213b5f0e2b17ee5df56fe96e26b90d9b22ff5450bce9cbfb3aeeea · sha256:514c56e5524e5f1e… · /containers/cna/references/2
{"name":"https://github.com/stanfordnlp/stanza/pull/1587","tags":["x_refsource_MISC"],"url":"https://github.com/stanfordnlp/stanza/pull/1587"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:001650d6ba213b5f0e2b17ee5df56fe96e26b90d9b22ff5450bce9cbfb3aeeea · sha256:514c56e5524e5f1e… · /containers/cna/references/1
{"name":"https://github.com/stanfordnlp/stanza/releases/tag/v1.12.2","tags":["x_refsource_MISC"],"url":"https://github.com/stanfordnlp/stanza/releases/tag/v1.12.2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:001650d6ba213b5f0e2b17ee5df56fe96e26b90d9b22ff5450bce9cbfb3aeeea · sha256:514c56e5524e5f1e… · /containers/cna/references/3
{"tags":["exploit"],"url":"https://github.com/stanfordnlp/stanza/security/advisories/GHSA-v5jw-96jm-7h2c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:001650d6ba213b5f0e2b17ee5df56fe96e26b90d9b22ff5450bce9cbfb3aeeea · sha256:514c56e5524e5f1e… · /containers/adp/0/references/0
{"name":"https://github.com/stanfordnlp/stanza/security/advisories/GHSA-v5jw-96jm-7h2c","tags":["x_refsource_CONFIRM"],"url":"https://github.com/stanfordnlp/stanza/security/advisories/GHSA-v5jw-96jm-7h2c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:001650d6ba213b5f0e2b17ee5df56fe96e26b90d9b22ff5450bce9cbfb3aeeea · sha256:514c56e5524e5f1e… · /containers/cna/references/0

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.

← Back to CVE Explorer