[NEW] [medium] Erlang/OTP: Multiple vulnerabilities
An attacker can exploit multiple vulnerabilities in Erlang/OTP to bypass security measures, manipulate or disclose data, or cause a denial-of-service condition.
CSIRTS triage
- What
- Multiple vulnerabilities in Erlang/OTP allow security bypass, data manipulation or disclosure, and denial-of-service attacks.
- Who is affected
- Systems running affected versions of Erlang/OTP are at risk.
- Urgency
- Medium severity; multiple classes of vulnerabilities present but no exploitation reported yet.
- Action
- Review Erlang/OTP security advisories and apply the latest stable patches.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3146
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-55951 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-59696 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-66357 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-66835 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-69664 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-70399 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-70405 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-70409 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-71380 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-71562 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-73270 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-73276 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-73812 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-74835 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-74994 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-75538 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- unknownCVE-2026-73812: inets, httpd: HTTP Request Smuggling via Transfer-Encoding and Content-Lengthmsrc
- unknownCVE-2026-73270: httpd mod_auth directory protection bypassed by request path casing on case-insensitive filesy…msrc
- unknownCVE-2026-71562: httpc does not bound server-supplied numeric header values before integer conversionmsrc
- unknownCVE-2026-73276: inets, httpd: HTTP Request Smuggling via Whitespace-Before-Colon Header Dropping imsrc
- unknownCVE-2026-55951: httpc memory exhaustion via unbounded response header accumulationmsrc
- unknownCVE-2026-59696: uri_string does not bound the port component of a URI before integer conversionmsrc
- unknownCVE-2026-66357: inets,httpd:HTTP Request Smuggling via obs-fold Header Continuationmsrc
- unknownCVE-2026-66835: httpd mod_auth directory protection bypassed by a doubled slash in the request pathmsrc
- unknownCVE-2026-69664: httpd parks a request worker indefinitely on a malformed chunk size sent after the headersmsrc
- unknownCVE-2026-70409: eldap does not bound the port component of a referral URL before integer conversionmsrc
- unknownCVE-2026-71380: httpd applies no timeout while receiving a request body, parking a worker on a stalled clientmsrc
- unknownCVE-2026-74835: inets,httpd: Memory Exhaustion via Unenforced max_body_size During Chunked Body Receptionmsrc
Recent advisories for Erlang/OTP
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- unknownCVE-2026-75538: A Signed Length Overflow in Erlang/OTP's inet TCP Driver Overflows the Receive Buffer Into BEA…msrc · 2026-09-02
- unknownCVE-2026-73270: Improper Handling of Case Sensitivity vulnerability in Erlang/OTP inets httpd allows a remote …nvd · 2026-09-01
- unknownCVE-2026-71562: Improper Validation of Specified Quantity in Input vulnerability in Erlang/OTP inets httpc all…nvd · 2026-09-01
- unknownCVE-2026-71380: Missing Release of Resource after Effective Lifetime vulnerability in Erlang/OTP inets httpd a…nvd · 2026-09-01
- unknownCVE-2026-70409: Improper Validation of Specified Quantity in Input vulnerability in Erlang/OTP eldap allows a …nvd · 2026-09-01
- unknownCVE-2026-70405: Improper Validation of Specified Quantity in Input vulnerability in Erlang/OTP snmp allows a r…nvd · 2026-09-01
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