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CVE-2026-14742

A vulnerability was determined in langchain-ai langgraph up to 1.2.4. The affected element is the function _freeze of the file libs/langgraph/langgraph/_internal/_cache.py of the component Task Result Cache. This manipulation of the argument default_cache_key causes use of weak hash. The attack is possible to be carried out remotely. The complexity of an attack is rather high. The exploitability is described as difficult. The exploit has been publicly disclosed and may be utilized. The pull requ
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4453b90221b21c5b90a226826876f6aab177ed8cc307df9b14933af5fb64df89
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":2.1,"vectorString":"AV:N/AC:H/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:62173d0cdcf67bf17d2eb0dd0b0f5d256e75f93ff535f653fa4aa0af1fc1eca7 · sha256:647de1354d48d6c9… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":2.3,"baseSeverity":"LOW","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:62173d0cdcf67bf17d2eb0dd0b0f5d256e75f93ff535f653fa4aa0af1fc1eca7 · sha256:647de1354d48d6c9… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":3.1,"baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:62173d0cdcf67bf17d2eb0dd0b0f5d256e75f93ff535f653fa4aa0af1fc1eca7 · sha256:647de1354d48d6c9… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":3.1,"baseSeverity":"LOW","vectorString":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:62173d0cdcf67bf17d2eb0dd0b0f5d256e75f93ff535f653fa4aa0af1fc1eca7 · sha256:647de1354d48d6c9… · /containers/cna/metrics/2/cvssV3_0
cwe · 2 assertions

{"cweId":"CWE-327","description":"Risky Cryptographic Algorithm","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:62173d0cdcf67bf17d2eb0dd0b0f5d256e75f93ff535f653fa4aa0af1fc1eca7 · sha256:647de1354d48d6c9… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-328","description":"Use of Weak Hash","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:62173d0cdcf67bf17d2eb0dd0b0f5d256e75f93ff535f653fa4aa0af1fc1eca7 · sha256:647de1354d48d6c9… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:a:langchain-ai:langgraph:*:*:*:*:*:*:*:*"],"modules":["Task Result Cache"],"product":"langgraph","vendor":"langchain-ai","versions":[{"status":"affected","version":"1.2.0"},{"status":"affected","version":"1.2.1"},{"status":"affected","version":"1.2.2"},{"status":"affected","version":"1.2.3"},{"status":"affected","version":"1.2.4"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:62173d0cdcf67bf17d2eb0dd0b0f5d256e75f93ff535f653fa4aa0af1fc1eca7 · sha256:647de1354d48d6c9… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":2.1,"vectorString":"AV:N/AC:H/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:62173d0cdcf67bf17d2eb0dd0b0f5d256e75f93ff535f653fa4aa0af1fc1eca7 · sha256:647de1354d48d6c9… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":2.3,"baseSeverity":"LOW","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:62173d0cdcf67bf17d2eb0dd0b0f5d256e75f93ff535f653fa4aa0af1fc1eca7 · sha256:647de1354d48d6c9… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":3.1,"baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:62173d0cdcf67bf17d2eb0dd0b0f5d256e75f93ff535f653fa4aa0af1fc1eca7 · sha256:647de1354d48d6c9… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":3.1,"baseSeverity":"LOW","vectorString":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:62173d0cdcf67bf17d2eb0dd0b0f5d256e75f93ff535f653fa4aa0af1fc1eca7 · sha256:647de1354d48d6c9… · /containers/cna/metrics/2/cvssV3_0

CWE assertions

2 source assertions
{"cweId":"CWE-327","description":"Risky Cryptographic Algorithm","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:62173d0cdcf67bf17d2eb0dd0b0f5d256e75f93ff535f653fa4aa0af1fc1eca7 · sha256:647de1354d48d6c9… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-328","description":"Use of Weak Hash","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:62173d0cdcf67bf17d2eb0dd0b0f5d256e75f93ff535f653fa4aa0af1fc1eca7 · sha256:647de1354d48d6c9… · /containers/cna/problemTypes/0/descriptions/0

Source references

7 source assertions
{"tags":["product"],"url":"https://github.com/langchain-ai/langgraph/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:62173d0cdcf67bf17d2eb0dd0b0f5d256e75f93ff535f653fa4aa0af1fc1eca7 · sha256:647de1354d48d6c9… · /containers/cna/references/6
{"tags":["exploit","issue-tracking"],"url":"https://github.com/langchain-ai/langgraph/issues/8009"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:62173d0cdcf67bf17d2eb0dd0b0f5d256e75f93ff535f653fa4aa0af1fc1eca7 · sha256:647de1354d48d6c9… · /containers/cna/references/4
{"tags":["issue-tracking","patch"],"url":"https://github.com/langchain-ai/langgraph/pull/8069"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:62173d0cdcf67bf17d2eb0dd0b0f5d256e75f93ff535f653fa4aa0af1fc1eca7 · sha256:647de1354d48d6c9… · /containers/cna/references/5
{"name":"CVE-2026-14742 | CVE Analysis and Report","tags":["third-party-advisory"],"url":"https://vuldb.com/cve/CVE-2026-14742"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:62173d0cdcf67bf17d2eb0dd0b0f5d256e75f93ff535f653fa4aa0af1fc1eca7 · sha256:647de1354d48d6c9… · /containers/cna/references/2
{"name":"Submit #849217 | langchain-ai langgraph 1.2.4 Use of Weak Hash","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/849217"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:62173d0cdcf67bf17d2eb0dd0b0f5d256e75f93ff535f653fa4aa0af1fc1eca7 · sha256:647de1354d48d6c9… · /containers/cna/references/3
{"name":"VDB-376328 | langchain-ai langgraph Task Result Cache _cache.py _freeze weak hash","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/376328"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:62173d0cdcf67bf17d2eb0dd0b0f5d256e75f93ff535f653fa4aa0af1fc1eca7 · sha256:647de1354d48d6c9… · /containers/cna/references/0
{"name":"VDB-376328 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/376328/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:62173d0cdcf67bf17d2eb0dd0b0f5d256e75f93ff535f653fa4aa0af1fc1eca7 · sha256:647de1354d48d6c9… · /containers/cna/references/1

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.

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