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CVE-2026-54291

pgjdbc is an open source postgresql JDBC Driver. In releases 42.7.4 through 42.7.11, channelBinding=require connections can be silently downgraded from SCRAM-SHA-256-PLUS with channel binding to plain SCRAM-SHA-256 without it, losing the man-in-the-middle protection the setting is meant to guarantee. An attacker who can intercept the TLS connection can trigger the downgrade with a certificate whose signature algorithm has no tls-server-end-point channel-binding hash, because the bundled com.ongr
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:60164ce9247a7187624c6e2278bdc472a50000c72ea819a9b8d94c02e8119a03
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-636","description":"CWE-636: Not Failing Securely ('Failing Open')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f188db5c1bb6cd195c787a485d0694e7800e14997b8c4df54ab01bba1c44f9c2 · sha256:0463856947c21062… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-757","description":"CWE-757: Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f188db5c1bb6cd195c787a485d0694e7800e14997b8c4df54ab01bba1c44f9c2 · sha256:0463856947c21062… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"pgjdbc","vendor":"pgjdbc","versions":[{"status":"affected","version":">= 42.7.4, < 42.7.12"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f188db5c1bb6cd195c787a485d0694e7800e14997b8c4df54ab01bba1c44f9c2 · sha256:0463856947c21062… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":8.2,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"LOW","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f188db5c1bb6cd195c787a485d0694e7800e14997b8c4df54ab01bba1c44f9c2 · sha256:0463856947c21062… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-636","description":"CWE-636: Not Failing Securely ('Failing Open')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f188db5c1bb6cd195c787a485d0694e7800e14997b8c4df54ab01bba1c44f9c2 · sha256:0463856947c21062… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-757","description":"CWE-757: Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f188db5c1bb6cd195c787a485d0694e7800e14997b8c4df54ab01bba1c44f9c2 · sha256:0463856947c21062… · /containers/cna/problemTypes/1/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/ongres/scram/releases/tag/3.3","tags":["x_refsource_MISC"],"url":"https://github.com/ongres/scram/releases/tag/3.3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f188db5c1bb6cd195c787a485d0694e7800e14997b8c4df54ab01bba1c44f9c2 · sha256:0463856947c21062… · /containers/cna/references/2
{"name":"https://github.com/pgjdbc/pgjdbc/commit/77df98e4e66c12936ded3478a0954f6f580bad99","tags":["x_refsource_MISC"],"url":"https://github.com/pgjdbc/pgjdbc/commit/77df98e4e66c12936ded3478a0954f6f580bad99"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f188db5c1bb6cd195c787a485d0694e7800e14997b8c4df54ab01bba1c44f9c2 · sha256:0463856947c21062… · /containers/cna/references/1
{"name":"https://github.com/pgjdbc/pgjdbc/security/advisories/GHSA-j92g-9f8w-j867","tags":["x_refsource_CONFIRM"],"url":"https://github.com/pgjdbc/pgjdbc/security/advisories/GHSA-j92g-9f8w-j867"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f188db5c1bb6cd195c787a485d0694e7800e14997b8c4df54ab01bba1c44f9c2 · sha256:0463856947c21062… · /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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