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CVE-2026-26337

Hyland Alfresco Transformation Service allows unauthenticated attackers to achieve both arbitrary file read and server-side request forgery through the absolute path traversal.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:69ef0884d2acc1aa3340642518699c574c2e9e7ba3b24e61a79691c11b8b21d2
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","modules":["ATS"],"product":"Alfresco Transformation Service (Enterprise)","vendor":"Hyland","versions":[{"lessThan":"4.3.0","status":"affected","version":"0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ef876a0d9c8a075daae5e3e95c2187cabbf257bdc1205a24b7c1a27a280d8095 · sha256:2a97d62cb053f17d… · /containers/cna/affected/0

{"defaultStatus":"unaffected","modules":["Transform Core AIO"],"packageURL":"pkg:github/Alfresco/alfresco-transform-core","product":"Alfresco Community (Transform Core)","repo":"https://github.com/Alfresco/alfresco-transform-core","vendor":"Hyland","versions":[{"lessThan":"5.3.0","status":"affected","version":"0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ef876a0d9c8a075daae5e3e95c2187cabbf257bdc1205a24b7c1a27a280d8095 · sha256:2a97d62cb053f17d… · /containers/cna/affected/1
cvss · 2 assertions

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.8,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:ef876a0d9c8a075daae5e3e95c2187cabbf257bdc1205a24b7c1a27a280d8095 · sha256:2a97d62cb053f17d… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:ef876a0d9c8a075daae5e3e95c2187cabbf257bdc1205a24b7c1a27a280d8095 · sha256:2a97d62cb053f17d… · /containers/cna/metrics/1/cvssV3_1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","modules":["ATS"],"product":"Alfresco Transformation Service (Enterprise)","vendor":"Hyland","versions":[{"lessThan":"4.3.0","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ef876a0d9c8a075daae5e3e95c2187cabbf257bdc1205a24b7c1a27a280d8095 · sha256:2a97d62cb053f17d… · /containers/cna/affected/0
{"defaultStatus":"unaffected","modules":["Transform Core AIO"],"packageURL":"pkg:github/Alfresco/alfresco-transform-core","product":"Alfresco Community (Transform Core)","repo":"https://github.com/Alfresco/alfresco-transform-core","vendor":"Hyland","versions":[{"lessThan":"5.3.0","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ef876a0d9c8a075daae5e3e95c2187cabbf257bdc1205a24b7c1a27a280d8095 · sha256:2a97d62cb053f17d… · /containers/cna/affected/1

Provider-owned CVSS observations

2 source assertions
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.8,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:ef876a0d9c8a075daae5e3e95c2187cabbf257bdc1205a24b7c1a27a280d8095 · sha256:2a97d62cb053f17d… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:ef876a0d9c8a075daae5e3e95c2187cabbf257bdc1205a24b7c1a27a280d8095 · sha256:2a97d62cb053f17d… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-36","description":"CWE-36 Absolute Path Traversal","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:ef876a0d9c8a075daae5e3e95c2187cabbf257bdc1205a24b7c1a27a280d8095 · sha256:2a97d62cb053f17d… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"tags":["vendor-advisory","patch"],"url":"https://connect.hyland.com/t5/alfresco-blog/security-update-cve-2026-26337-cve-2026-26338-cve-2026-26339/ba-p/496551"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ef876a0d9c8a075daae5e3e95c2187cabbf257bdc1205a24b7c1a27a280d8095 · sha256:2a97d62cb053f17d… · /containers/cna/references/0
{"tags":["product"],"url":"https://www.hyland.com/en/solutions/products/alfresco-platform"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ef876a0d9c8a075daae5e3e95c2187cabbf257bdc1205a24b7c1a27a280d8095 · sha256:2a97d62cb053f17d… · /containers/cna/references/1
{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/hyland-alfresco-transformation-service-absolute-path-traversal-arbitrary-file-read-and-ssrf"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ef876a0d9c8a075daae5e3e95c2187cabbf257bdc1205a24b7c1a27a280d8095 · sha256:2a97d62cb053f17d… · /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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