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CVE-2026-54891

Improper Enforcement of Message Integrity During Transmission in a Communication Channel vulnerability in Erlang/OTP ssl (tls_gen_connection module) allows a network-positioned attacker to inject unauthenticated plaintext that the TLS client application later treats as authenticated server data. The function tls_gen_connection:handle_protocol_record/3 rejects APPLICATION_DATA records that arrive in pre-handshake states when the TLS endpoint acts as a server, but does not apply the same check wh
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6a393483c4fe810108cef43f64102a08c45af9181d2304d235b4e3be58f7b23f
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 3 assertions

{"cpes":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["tls_gen_connection"],"packageName":"otp","packageURL":"pkg:sid/erlang.org/otp","product":"OTP","programFiles":["lib/ssl/src/tls_gen_connection.erl"],"programRoutines":[{"name":"tls_gen_connection:handle_protocol_record/3"}],"vendor":"Erlang","versions":[{"lessThan":"R13B03","status":"unknown","version":"0","versionType":"otp"},{"lessThan":"27.3.4.14","status":"affected","version":"R13B03","versionType":"otp"},{"lessThan":"28.5.0.3","status":"affected","version":"28.0","versionType":"otp"},{"lessT…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:71410e87a7390fb0a45b58b82498bca97ca2cad6ea0b58badaefc05864f7df46 · sha256:bb3bde3b293a6254… · /containers/cna/affected/0

{"collectionURL":"https://github.com","cpes":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["tls_gen_connection"],"packageName":"erlang/otp","packageURL":"pkg:github/erlang/otp","product":"OTP","programFiles":["lib/ssl/src/tls_gen_connection.erl"],"programRoutines":[{"name":"tls_gen_connection:handle_protocol_record/3"}],"repo":"https://github.com/erlang/otp","vendor":"Erlang","versions":[{"lessThan":"07d2d0e93f6aaf7652a81e8df075fc1728da5e96","status":"affected","version":"84adefa331c4159d432d22840663c38f155cd4c1","versionType":"git"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:71410e87a7390fb0a45b58b82498bca97ca2cad6ea0b58badaefc05864f7df46 · sha256:bb3bde3b293a6254… · /containers/cna/affected/2

{"cpes":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["tls_gen_connection"],"packageName":"ssl","packageURL":"pkg:otp/ssl?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%20https:%2F%2Fgithub.com%2Ferlang%2Fotp.git","product":"OTP","programFiles":["src/tls_gen_connection.erl"],"programRoutines":[{"name":"tls_gen_connection:handle_protocol_record/3"}],"repo":"https://github.com/erlang/otp","vendor":"Erlang","versions":[{"lessThan":"3.10.7","status":"unknown","version":"0","versionType":"otp"},{"lessThan":"11.2.12.10","status":"affected…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:71410e87a7390fb0a45b58b82498bca97ca2cad6ea0b58badaefc05864f7df46 · sha256:bb3bde3b293a6254… · /containers/cna/affected/1

Affected products and versions

3 source assertions
{"cpes":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["tls_gen_connection"],"packageName":"otp","packageURL":"pkg:sid/erlang.org/otp","product":"OTP","programFiles":["lib/ssl/src/tls_gen_connection.erl"],"programRoutines":[{"name":"tls_gen_connection:handle_protocol_record/3"}],"vendor":"Erlang","versions":[{"lessThan":"R13B03","status":"unknown","version":"0","versionType":"otp"},{"lessThan":"27.3.4.14","status":"affected","version":"R13B03","versionType":"otp"},{"lessThan":"28.5.0.3","status":"affected","version":"28.0","versionType":"otp"},{"lessT…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:71410e87a7390fb0a45b58b82498bca97ca2cad6ea0b58badaefc05864f7df46 · sha256:bb3bde3b293a6254… · /containers/cna/affected/0
{"collectionURL":"https://github.com","cpes":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["tls_gen_connection"],"packageName":"erlang/otp","packageURL":"pkg:github/erlang/otp","product":"OTP","programFiles":["lib/ssl/src/tls_gen_connection.erl"],"programRoutines":[{"name":"tls_gen_connection:handle_protocol_record/3"}],"repo":"https://github.com/erlang/otp","vendor":"Erlang","versions":[{"lessThan":"07d2d0e93f6aaf7652a81e8df075fc1728da5e96","status":"affected","version":"84adefa331c4159d432d22840663c38f155cd4c1","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:71410e87a7390fb0a45b58b82498bca97ca2cad6ea0b58badaefc05864f7df46 · sha256:bb3bde3b293a6254… · /containers/cna/affected/2
{"cpes":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["tls_gen_connection"],"packageName":"ssl","packageURL":"pkg:otp/ssl?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%20https:%2F%2Fgithub.com%2Ferlang%2Fotp.git","product":"OTP","programFiles":["src/tls_gen_connection.erl"],"programRoutines":[{"name":"tls_gen_connection:handle_protocol_record/3"}],"repo":"https://github.com/erlang/otp","vendor":"Erlang","versions":[{"lessThan":"3.10.7","status":"unknown","version":"0","versionType":"otp"},{"lessThan":"11.2.12.10","status":"affected…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:71410e87a7390fb0a45b58b82498bca97ca2cad6ea0b58badaefc05864f7df46 · sha256:bb3bde3b293a6254… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":6.3,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:71410e87a7390fb0a45b58b82498bca97ca2cad6ea0b58badaefc05864f7df46 · sha256:bb3bde3b293a6254… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-924","description":"CWE-924 Improper Enforcement of Message Integrity During Transmission in a Communication Channel","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:71410e87a7390fb0a45b58b82498bca97ca2cad6ea0b58badaefc05864f7df46 · sha256:bb3bde3b293a6254… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"tags":["related"],"url":"https://cna.erlef.org/cves/CVE-2026-54891.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:71410e87a7390fb0a45b58b82498bca97ca2cad6ea0b58badaefc05864f7df46 · sha256:bb3bde3b293a6254… · /containers/cna/references/1
{"tags":["patch"],"url":"https://github.com/erlang/otp/commit/07d2d0e93f6aaf7652a81e8df075fc1728da5e96"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:71410e87a7390fb0a45b58b82498bca97ca2cad6ea0b58badaefc05864f7df46 · sha256:bb3bde3b293a6254… · /containers/cna/references/4
{"tags":["vendor-advisory","related"],"url":"https://github.com/erlang/otp/security/advisories/GHSA-gf6r-99xw-6qg6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:71410e87a7390fb0a45b58b82498bca97ca2cad6ea0b58badaefc05864f7df46 · sha256:bb3bde3b293a6254… · /containers/cna/references/0
{"tags":["related"],"url":"https://osv.dev/vulnerability/EEF-CVE-2026-54891"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:71410e87a7390fb0a45b58b82498bca97ca2cad6ea0b58badaefc05864f7df46 · sha256:bb3bde3b293a6254… · /containers/cna/references/2
{"tags":["x_version-scheme"],"url":"https://www.erlang.org/doc/system/versions.html#order-of-versions"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:71410e87a7390fb0a45b58b82498bca97ca2cad6ea0b58badaefc05864f7df46 · sha256:bb3bde3b293a6254… · /containers/cna/references/3

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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