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CVE-2026-53723

Guzzle Services provides an implementation of the Guzzle Command library that uses Guzzle service descriptions to describe web services, serialize requests, and parse responses into easy to use model structures. Versions prior ro 1.5.4 do not safely serialize scalar XML element values containing the CDATA terminator `]]>`. The XML request serializer writes values containing `<`, `>`, or `&` with `XMLWriter::writeCData($value)`. If attacker-controlled input contains `]]>`, the CDATA section close
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:600d32c9e1c313d61512ce9fb37b0ad2c9f407317c332b9e7f76459c3c912b13
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-91","description":"CWE-91: XML Injection (aka Blind XPath Injection)","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5282dc2b891e77f2b8a082abe3062c3288ce34c202bb8706bf2403a749e09186 · sha256:8256adf9c139b06a… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-20","description":"CWE-20: Improper Input Validation","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5282dc2b891e77f2b8a082abe3062c3288ce34c202bb8706bf2403a749e09186 · sha256:8256adf9c139b06a… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"guzzle-services","vendor":"guzzle","versions":[{"status":"affected","version":"< 1.5.4"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5282dc2b891e77f2b8a082abe3062c3288ce34c202bb8706bf2403a749e09186 · sha256:8256adf9c139b06a… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.8,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5282dc2b891e77f2b8a082abe3062c3288ce34c202bb8706bf2403a749e09186 · sha256:8256adf9c139b06a… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-91","description":"CWE-91: XML Injection (aka Blind XPath Injection)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5282dc2b891e77f2b8a082abe3062c3288ce34c202bb8706bf2403a749e09186 · sha256:8256adf9c139b06a… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-20","description":"CWE-20: Improper Input Validation","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5282dc2b891e77f2b8a082abe3062c3288ce34c202bb8706bf2403a749e09186 · sha256:8256adf9c139b06a… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/guzzle/guzzle-services/security/advisories/GHSA-q8r6-5hfw-5jff","tags":["x_refsource_CONFIRM"],"url":"https://github.com/guzzle/guzzle-services/security/advisories/GHSA-q8r6-5hfw-5jff"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5282dc2b891e77f2b8a082abe3062c3288ce34c202bb8706bf2403a749e09186 · sha256:8256adf9c139b06a… · /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.

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