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CVE-2025-6278

A vulnerability classified as critical was found in Upsonic up to 0.55.6. This vulnerability affects the function os.path.join of the file markdown/server.py. The manipulation of the argument file.filename leads to path traversal. The exploit has been disclosed to the public and may be used.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:75e7ccf77d8a504d9b0a24d9b0da8402e245fa967fc22a8d26f464b0eea14157
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":5.1,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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:f0ae0fd3286fbdb4707a59130c1c175f7f57313b09f3958873a3fa620d49b652 · sha256:dd46da94f257dbca… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":5.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f0ae0fd3286fbdb4707a59130c1c175f7f57313b09f3958873a3fa620d49b652 · sha256:dd46da94f257dbca… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":5.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f0ae0fd3286fbdb4707a59130c1c175f7f57313b09f3958873a3fa620d49b652 · sha256:dd46da94f257dbca… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":5.2,"vectorString":"AV:A/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f0ae0fd3286fbdb4707a59130c1c175f7f57313b09f3958873a3fa620d49b652 · sha256:dd46da94f257dbca… · /containers/cna/metrics/3/cvssV2_0

Affected products and versions

1 source assertion
{"product":"Upsonic","vendor":"n/a","versions":[{"status":"affected","version":"0.55.0"},{"status":"affected","version":"0.55.1"},{"status":"affected","version":"0.55.2"},{"status":"affected","version":"0.55.3"},{"status":"affected","version":"0.55.4"},{"status":"affected","version":"0.55.5"},{"status":"affected","version":"0.55.6"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f0ae0fd3286fbdb4707a59130c1c175f7f57313b09f3958873a3fa620d49b652 · sha256:dd46da94f257dbca… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":5.1,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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:f0ae0fd3286fbdb4707a59130c1c175f7f57313b09f3958873a3fa620d49b652 · sha256:dd46da94f257dbca… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":5.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f0ae0fd3286fbdb4707a59130c1c175f7f57313b09f3958873a3fa620d49b652 · sha256:dd46da94f257dbca… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":5.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f0ae0fd3286fbdb4707a59130c1c175f7f57313b09f3958873a3fa620d49b652 · sha256:dd46da94f257dbca… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":5.2,"vectorString":"AV:A/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f0ae0fd3286fbdb4707a59130c1c175f7f57313b09f3958873a3fa620d49b652 · sha256:dd46da94f257dbca… · /containers/cna/metrics/3/cvssV2_0

CWE assertions

1 source assertion
{"cweId":"CWE-22","description":"Path Traversal","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f0ae0fd3286fbdb4707a59130c1c175f7f57313b09f3958873a3fa620d49b652 · sha256:dd46da94f257dbca… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"tags":["exploit","issue-tracking"],"url":"https://github.com/Upsonic/Upsonic/issues/356"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f0ae0fd3286fbdb4707a59130c1c175f7f57313b09f3958873a3fa620d49b652 · sha256:dd46da94f257dbca… · /containers/cna/references/3
{"tags":["exploit"],"url":"https://github.com/Upsonic/Upsonic/issues/356"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f0ae0fd3286fbdb4707a59130c1c175f7f57313b09f3958873a3fa620d49b652 · sha256:dd46da94f257dbca… · /containers/adp/0/references/0
{"name":"VDB-313282 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/?ctiid.313282"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f0ae0fd3286fbdb4707a59130c1c175f7f57313b09f3958873a3fa620d49b652 · sha256:dd46da94f257dbca… · /containers/cna/references/1
{"name":"VDB-313282 | Upsonic server.py os.path.join path traversal","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/?id.313282"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f0ae0fd3286fbdb4707a59130c1c175f7f57313b09f3958873a3fa620d49b652 · sha256:dd46da94f257dbca… · /containers/cna/references/0
{"name":"Submit #593096 | Upsonic <=v0.55.6 Path Traversal: '..\\filedir'","tags":["third-party-advisory"],"url":"https://vuldb.com/?submit.593096"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f0ae0fd3286fbdb4707a59130c1c175f7f57313b09f3958873a3fa620d49b652 · sha256:dd46da94f257dbca… · /containers/cna/references/2

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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